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You can buy the Remax RS-SF28 2 in 1 Built-in Cable Power Bank Handheld Fan at the best price in Bangladesh from Extreme Gadgets
Remax RS-SF28 2 in 1 Built-in Cable Power Bank Handheld Fan
• Remax RS-SF28 Built-in Cable Power Bank Handheld Fan is a multifunctional portable cooling device that combines a high-speed handheld fan, semiconductor cooling system, and 22.5W fast-charging power bank into one compact travel-friendly design. Featuring a powerful 10,000mAh battery, built-in charging cable, ice-cooling airflow technology, LED digital display, and foldable desktop functionality, the RS-SF28 delivers reliable cooling and emergency charging performance for outdoor travel, commuting, office use, and summer activities. With strong airflow output, multiple fast-charging protocols, and airline-safe certification, this portable fan power bank is designed for modern everyday convenience.
• 2-in-1 Fan & Power Bank Design combines portable cooling and fast charging functionality in one compact multifunctional device.
• 22.5W Fast Charging Support provides rapid charging performance for compatible smartphones, earbuds, portable devices, and accessories.
• Built-in Charging Cable Design eliminates the need for carrying extra charging cables during travel and outdoor activities.
• 10,000mAh Large Battery Capacity offers long-lasting cooling operation and dependable backup power for mobile devices.
• 5-Speed Wind Adjustment allows users to customize airflow intensity based on different environments and comfort preferences.
• High-Speed Turbine Airflow System generates strong cooling wind speeds up to 5m/s for efficient personal cooling.
• Semiconductor Ice Cooling Technology delivers enhanced cooling performance with instant ice-cooling airflow for hot weather conditions.
• LED Digital Display clearly shows battery status and operational information for convenient monitoring.
• Foldable Desktop Design supports handheld use and stable desktop placement for flexible indoor and outdoor usage.
• Multiple Fast-Charging Protocol Support ensures broad compatibility with QC, PD, AFC, FCP, and other mainstream charging standards.
• Airline & High-Speed Rail Safe features national 3C safety certification, making it suitable for travel and transportation use.
• Compact Portable Construction includes a lightweight ergonomic design with lanyard support for easier carrying.
Specifications
Product Name:
Remax RS-SF28 Built-in Cable Power Bank Handheld Fan
Brand:
• Remax
Model:
• RS-SF28
Product Type:
• Handheld Fan with Power Bank
Available Colors:
• White
• Blue
Material:
• ABS
Manufacturing Process:
• Fine print plastic finish
• Metallic paint coating
• Excimer process
Battery Capacity:
• 10,000mAh
• 3.85V / 38.5Wh
Rated Capacity:
• 5800mAh (5V/2A)
Fan Power:
• 3W
Wind Speed Levels:
• 5 adjustable speed levels
Airflow Speed:
• Up to 5m/s
Cooling Technology:
• Semiconductor ice magnetic cooling system
Charging Input (USB-C / Built-in Cable):
• 5V⎓3A
• 9V⎓2A
• 12V⎓1.5A
• Up to 18W input
Input Protocols:
• QC2.0
• QC3.0
• FCP
• AFC
• SFCP
• PE1.1
• PE2.0
• PD2.0
• PD3.0
Charging Output (USB-C / Built-in Cable):
• 5V⎓3A
• 9V⎓2.22A
• 10V⎓2.25A
• 12V⎓1.67A
• Up to 22.5W output
Output Protocols:
• QC2.0
• QC3.0
• FCP
• AFC
• SFCP
• PE1.1
• PE2.0
• PD2.0
• PD3.0
Maximum Combined Output:
• 5V⎓3A
Charging Time:
• Approx. 3.5 hours (5V⎓3A)
• Approx. 3 hours (9V⎓2A)
Display Features:
• LED digital display
• Battery level indicator
Design Features:
• Foldable desktop support
• Handheld portable use
• Built-in cable
• Lanyard support
Certification:
• National 3C Safety Certification
• Airline-safe design
Dimensions:
• 174.5 × 74 × 45 mm
Weight:
• Approx. 272g
Q&A
Q1: Is the Remax RS-SF28 both a fan and a power bank?
• Yes, it combines a handheld cooling fan and a 22.5W fast-charging power bank in one device.
Q2: What is the battery capacity of the RS-SF28?
• It features a large 10,000mAh rechargeable battery.
Q3: Does Remax RS-SF28 support fast charging?
• Yes, it supports up to 22.5W fast charging with multiple charging protocols.
Q4: How many wind speed levels are available?
• The fan supports 5 adjustable wind speed levels.
Q5: What is the maximum airflow speed?
• The fan can generate airflow speeds up to 5m/s.
Q6: Does the fan include cooling technology?
• Yes, it uses semiconductor ice magnetic cooling technology for enhanced cooling performance.
Q7: Can the device stand on a desk?
• Yes, the foldable design supports desktop usage as well as handheld operation.
Q8: Is it safe for airplane travel?
• Yes, the device is certified and suitable for airline and high-speed rail travel.
Q9: Does it include a charging cable?
• Yes, it comes with a built-in fast charging cable for convenient use.
Q10: What information does the LED display show?
• The LED display shows battery status and operational indicators for easy monitoring.
Rest assured, Extreme Gadgets will provide 100% authentic products with guaranteed sealed-pack delivery across Bangladesh.
Whats’s the price of Remax RS-SF28 2 in 1 Built-in Cable Power Bank Handheld Fan in Bangladesh?
Remax RS-SF28 2 in 1 Built-in Cable Power Bank Handheld Fan price in BD is 3450 BDT

We will call you to confirm your order (between 11 AM – 7 PM). Kindly answer the call. If we are unable to reach you, please send us a message through our official Facebook page inbox.
Delivery Time
Inside Dhaka Home Delivery: 24-48 hours
Outside Dhaka Delivery: 24-72 hours
Delivery time depends on the courier service—usually 1–2 days inside or outside Dhaka. We use Sundarban, Pathao, eCourier, etc. Delays may occur due to courier issues.
Order processing and delivery time may be delayed due to stock issues, promotional offers, sale periods or other management issues.
Order Confirmation Payment Required
An advance payment of 100–200 BDT or more is required for order confirmation, depending on the product type and order amount.
Delivery Charge Details
Inside Dhaka: 60 Tk Only
Outside Dhaka: 120 Tk – If the product price exceeds 2000 BDT, an additional 10 BDT or 1% COD charge will be added for every 1000 BDT (as per courier policy).
Example: For a 3000 BDT product price, the delivery charge becomes 120+10=130 BDT, making the total 3130 BDT.
If you choose full prepayment, the 1% COD charge will be waived. Accepted payment methods: Bank Transfer, bKash, other Mobile Financial Services (MFS), Credit Card or EMI
Full Pre-payment / Partial Payment might required Outside Dhaka Courier, We’ll call you for further process & pre- payment details.
Full pre payment required for some specific or offer product, we’ll call you for details.
Note: For areas outside Dhaka City metro, including places like Savar, Tongi, Keraniganj, Demra, and similar locations, a 1% COD charge is applicable due to the courier company’s policy.Delivery charges may be higher than usual depending on the product’s size, weight, and quantity (e.g., fans, air purifiers, Home appliances & large items, it depends on courier policies.
Fragile items may incur additional handling charges. We ensure all products are packed securely and delivered in excellent condition.
Important Usage Instructions
Always charge your device using a 5W/10W max or 5V:1A power adapter (recommended).
Warranty & Authenticity
We provide official dealer/distributor warranties only.
You can verify product authenticity by checking the distributor’s /dealers warranty sticker. This reflects our commitment to transparency and honesty.
Disclaimer:
1. For certain specific products, full prepayment is compulsory. Details will be provided during confirmation.
2. Backorder means the item is currently out of stock, but you can still place an order. It will be delivered once it becomes available again.
We reserve the right to cancel any order at any time, even after confirmation or advance payment. This is because issues can occasionally arise from the supply chain, delivery hubs, or dealer points. In such cases, you will, of course, receive a refund. Learn more from our Return & Refund Policy.
3. Charges are subject to change at any time or during promotional periods. If not updated on the website, we will inform you directly by phone.
4. Before placing an order, please verify the product’s color, stock, and current price via our Facebook Messenger. For every order, we will also call and reconfirm the details. Prices and stock are subject to change at any time due to updates from the dealer or distributor, and actual stock/price may change if central stock runs out. Since there are thousands of products on our website, it’s not always possible to update stock status or prices immediately, and occasional errors may occur.
5. Before making full payment, please confirm the product’s actual stock by contacting us via text or call.
6. After receiving the parcel from delivery man, Before opening the box of the product, must make an unboxing video from the complete packaging condition for any type of service & warranty. Customers must send a clear video & photo of the damaged, defective, or wrong product along with the shipping packaging for accurate verification under good lighting conditions.
Read more from Return & refund policy.
7. For a few days, the product must remain in its original condition—complete, fresh, and without any scratches—to qualify for a replacement, warranty, or refund. This ensures we can resolve any issues promptly and fairly. Thank you for your cooperation.
8. If you find any manufacturing problem issue after receiving, we’ll replace it instantly, must inform us within 24 hours after receiving the product for warranty service
Do not make any scratches; the product must be 100% fresh.
► Keep the small sticker on the device and product box intact. If the sticker is removed or scratched, you will not receive any service. You may remove the sticker later if you wish, but for long-term warranty purposes, please keep the box, all accessories, and stickers as they are.
Please read our complete Warranty Policy and Terms & Conditions before making a purchase.
For any assistance, please contact us through our official Facebook page inbox.
9. We sell only 100% authentic products sourced from verified importers.
Smart tools, smart gadgets, home appliances, smart gadgets are CN Region items. These are imported from China. Most of our items are also sold internationally.Please review product details and customer feedback before purchasing on your own.
10. No returns or refunds for personal preferences. Once opened, products are non-returnable unless there’s a manufacturing defect. In that case, a replacement is offered within 24 hours. We sell based on demand and do not provide servicing.
Note: Product information may change; actual packaging may differ. Always read the manual, labels, warnings, and directions before use. For details, contact the manufacturer. Any medical-related gadget is not a substitute for professional medical equipment. Do not use for self-diagnosis or treatment. Contact your healthcare provider if you have a medical issue. Extreme Gadgets is not liable for product inaccuracies or any health issues. We are not liable for any malfunction of the gadget or any harm caused to health.
Thank you for choosing Extreme Gadgets.
Your satisfaction is our priority.
Stay connected, stay extreme!
Only logged in customers who have purchased this product may leave a review.
You can buy the Remax RS-SF28 2 in 1 Built-in Cable Power Bank Handheld Fan at the best price in Bangladesh from Extreme Gadgets
Remax RS-SF28 2 in 1 Built-in Cable Power Bank Handheld Fan
• Remax RS-SF28 Built-in Cable Power Bank Handheld Fan is a multifunctional portable cooling device that combines a high-speed handheld fan, semiconductor cooling system, and 22.5W fast-charging power bank into one compact travel-friendly design. Featuring a powerful 10,000mAh battery, built-in charging cable, ice-cooling airflow technology, LED digital display, and foldable desktop functionality, the RS-SF28 delivers reliable cooling and emergency charging performance for outdoor travel, commuting, office use, and summer activities. With strong airflow output, multiple fast-charging protocols, and airline-safe certification, this portable fan power bank is designed for modern everyday convenience.
• 2-in-1 Fan & Power Bank Design combines portable cooling and fast charging functionality in one compact multifunctional device.
• 22.5W Fast Charging Support provides rapid charging performance for compatible smartphones, earbuds, portable devices, and accessories.
• Built-in Charging Cable Design eliminates the need for carrying extra charging cables during travel and outdoor activities.
• 10,000mAh Large Battery Capacity offers long-lasting cooling operation and dependable backup power for mobile devices.
• 5-Speed Wind Adjustment allows users to customize airflow intensity based on different environments and comfort preferences.
• High-Speed Turbine Airflow System generates strong cooling wind speeds up to 5m/s for efficient personal cooling.
• Semiconductor Ice Cooling Technology delivers enhanced cooling performance with instant ice-cooling airflow for hot weather conditions.
• LED Digital Display clearly shows battery status and operational information for convenient monitoring.
• Foldable Desktop Design supports handheld use and stable desktop placement for flexible indoor and outdoor usage.
• Multiple Fast-Charging Protocol Support ensures broad compatibility with QC, PD, AFC, FCP, and other mainstream charging standards.
• Airline & High-Speed Rail Safe features national 3C safety certification, making it suitable for travel and transportation use.
• Compact Portable Construction includes a lightweight ergonomic design with lanyard support for easier carrying.
Specifications
Product Name:
Remax RS-SF28 Built-in Cable Power Bank Handheld Fan
Brand:
• Remax
Model:
• RS-SF28
Product Type:
• Handheld Fan with Power Bank
Available Colors:
• White
• Blue
Material:
• ABS
Manufacturing Process:
• Fine print plastic finish
• Metallic paint coating
• Excimer process
Battery Capacity:
• 10,000mAh
• 3.85V / 38.5Wh
Rated Capacity:
• 5800mAh (5V/2A)
Fan Power:
• 3W
Wind Speed Levels:
• 5 adjustable speed levels
Airflow Speed:
• Up to 5m/s
Cooling Technology:
• Semiconductor ice magnetic cooling system
Charging Input (USB-C / Built-in Cable):
• 5V⎓3A
• 9V⎓2A
• 12V⎓1.5A
• Up to 18W input
Input Protocols:
• QC2.0
• QC3.0
• FCP
• AFC
• SFCP
• PE1.1
• PE2.0
• PD2.0
• PD3.0
Charging Output (USB-C / Built-in Cable):
• 5V⎓3A
• 9V⎓2.22A
• 10V⎓2.25A
• 12V⎓1.67A
• Up to 22.5W output
Output Protocols:
• QC2.0
• QC3.0
• FCP
• AFC
• SFCP
• PE1.1
• PE2.0
• PD2.0
• PD3.0
Maximum Combined Output:
• 5V⎓3A
Charging Time:
• Approx. 3.5 hours (5V⎓3A)
• Approx. 3 hours (9V⎓2A)
Display Features:
• LED digital display
• Battery level indicator
Design Features:
• Foldable desktop support
• Handheld portable use
• Built-in cable
• Lanyard support
Certification:
• National 3C Safety Certification
• Airline-safe design
Dimensions:
• 174.5 × 74 × 45 mm
Weight:
• Approx. 272g
Q&A
Q1: Is the Remax RS-SF28 both a fan and a power bank?
• Yes, it combines a handheld cooling fan and a 22.5W fast-charging power bank in one device.
Q2: What is the battery capacity of the RS-SF28?
• It features a large 10,000mAh rechargeable battery.
Q3: Does Remax RS-SF28 support fast charging?
• Yes, it supports up to 22.5W fast charging with multiple charging protocols.
Q4: How many wind speed levels are available?
• The fan supports 5 adjustable wind speed levels.
Q5: What is the maximum airflow speed?
• The fan can generate airflow speeds up to 5m/s.
Q6: Does the fan include cooling technology?
• Yes, it uses semiconductor ice magnetic cooling technology for enhanced cooling performance.
Q7: Can the device stand on a desk?
• Yes, the foldable design supports desktop usage as well as handheld operation.
Q8: Is it safe for airplane travel?
• Yes, the device is certified and suitable for airline and high-speed rail travel.
Q9: Does it include a charging cable?
• Yes, it comes with a built-in fast charging cable for convenient use.
Q10: What information does the LED display show?
• The LED display shows battery status and operational indicators for easy monitoring.
Rest assured, Extreme Gadgets will provide 100% authentic products with guaranteed sealed-pack delivery across Bangladesh.
Whats’s the price of Remax RS-SF28 2 in 1 Built-in Cable Power Bank Handheld Fan in Bangladesh?
Remax RS-SF28 2 in 1 Built-in Cable Power Bank Handheld Fan price in BD is 3450 BDT

We will call you to confirm your order (between 11 AM – 7 PM). Kindly answer the call. If we are unable to reach you, please send us a message through our official Facebook page inbox.
Delivery Time
Inside Dhaka Home Delivery: 24-48 hours
Outside Dhaka Delivery: 24-72 hours
Delivery time depends on the courier service—usually 1–2 days inside or outside Dhaka. We use Sundarban, Pathao, eCourier, etc. Delays may occur due to courier issues.
Order processing and delivery time may be delayed due to stock issues, promotional offers, sale periods or other management issues.
Order Confirmation Payment Required
An advance payment of 100–200 BDT or more is required for order confirmation, depending on the product type and order amount.
Delivery Charge Details
Inside Dhaka: 60 Tk Only
Outside Dhaka: 120 Tk – If the product price exceeds 2000 BDT, an additional 10 BDT or 1% COD charge will be added for every 1000 BDT (as per courier policy).
Example: For a 3000 BDT product price, the delivery charge becomes 120+10=130 BDT, making the total 3130 BDT.
If you choose full prepayment, the 1% COD charge will be waived. Accepted payment methods: Bank Transfer, bKash, other Mobile Financial Services (MFS), Credit Card or EMI
Full Pre-payment / Partial Payment might required Outside Dhaka Courier, We’ll call you for further process & pre- payment details.
Full pre payment required for some specific or offer product, we’ll call you for details.
Note: For areas outside Dhaka City metro, including places like Savar, Tongi, Keraniganj, Demra, and similar locations, a 1% COD charge is applicable due to the courier company’s policy.Delivery charges may be higher than usual depending on the product’s size, weight, and quantity (e.g., fans, air purifiers, Home appliances & large items, it depends on courier policies.
Fragile items may incur additional handling charges. We ensure all products are packed securely and delivered in excellent condition.
Important Usage Instructions
Always charge your device using a 5W/10W max or 5V:1A power adapter (recommended).
Warranty & Authenticity
We provide official dealer/distributor warranties only.
You can verify product authenticity by checking the distributor’s /dealers warranty sticker. This reflects our commitment to transparency and honesty.
Disclaimer:
1. For certain specific products, full prepayment is compulsory. Details will be provided during confirmation.
2. Backorder means the item is currently out of stock, but you can still place an order. It will be delivered once it becomes available again.
We reserve the right to cancel any order at any time, even after confirmation or advance payment. This is because issues can occasionally arise from the supply chain, delivery hubs, or dealer points. In such cases, you will, of course, receive a refund. Learn more from our Return & Refund Policy.
3. Charges are subject to change at any time or during promotional periods. If not updated on the website, we will inform you directly by phone.
4. Before placing an order, please verify the product’s color, stock, and current price via our Facebook Messenger. For every order, we will also call and reconfirm the details. Prices and stock are subject to change at any time due to updates from the dealer or distributor, and actual stock/price may change if central stock runs out. Since there are thousands of products on our website, it’s not always possible to update stock status or prices immediately, and occasional errors may occur.
5. Before making full payment, please confirm the product’s actual stock by contacting us via text or call.
6. After receiving the parcel from delivery man, Before opening the box of the product, must make an unboxing video from the complete packaging condition for any type of service & warranty. Customers must send a clear video & photo of the damaged, defective, or wrong product along with the shipping packaging for accurate verification under good lighting conditions.
Read more from Return & refund policy.
7. For a few days, the product must remain in its original condition—complete, fresh, and without any scratches—to qualify for a replacement, warranty, or refund. This ensures we can resolve any issues promptly and fairly. Thank you for your cooperation.
8. If you find any manufacturing problem issue after receiving, we’ll replace it instantly, must inform us within 24 hours after receiving the product for warranty service
Do not make any scratches; the product must be 100% fresh.
► Keep the small sticker on the device and product box intact. If the sticker is removed or scratched, you will not receive any service. You may remove the sticker later if you wish, but for long-term warranty purposes, please keep the box, all accessories, and stickers as they are.
Please read our complete Warranty Policy and Terms & Conditions before making a purchase.
For any assistance, please contact us through our official Facebook page inbox.
9. We sell only 100% authentic products sourced from verified importers.
Smart tools, smart gadgets, home appliances, smart gadgets are CN Region items. These are imported from China. Most of our items are also sold internationally.Please review product details and customer feedback before purchasing on your own.
10. No returns or refunds for personal preferences. Once opened, products are non-returnable unless there’s a manufacturing defect. In that case, a replacement is offered within 24 hours. We sell based on demand and do not provide servicing.
Note: Product information may change; actual packaging may differ. Always read the manual, labels, warnings, and directions before use. For details, contact the manufacturer. Any medical-related gadget is not a substitute for professional medical equipment. Do not use for self-diagnosis or treatment. Contact your healthcare provider if you have a medical issue. Extreme Gadgets is not liable for product inaccuracies or any health issues. We are not liable for any malfunction of the gadget or any harm caused to health.
Thank you for choosing Extreme Gadgets.
Your satisfaction is our priority.
Stay connected, stay extreme!
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