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You can buy the COLMI C28 Smart Watch at the best price in Bangladesh from Extreme Gadgets
COLMI C28 Smart Watch

• COLMI C28 Smart Watch is a stylish AI-powered smartwatch that combines an ultra-slim premium design, vibrant AMOLED display, advanced health monitoring, Bluetooth calling, and intelligent fitness tracking. Featuring a 1.93-inch AMOLED display, Da GPT AI Brain, AI-generated watch faces, 24/7 health tracking, and 100+ sports modes, the C28 is built for users who want smart connectivity, wellness management, and personalized experiences in one elegant wearable. With Bluetooth 5.3 connectivity, lightweight construction, and broad Android and iOS compatibility, it is an ideal companion for work, fitness, and everyday life.
• Ultra-Slim Premium Design features a sleek 7mm profile and lightweight 39g body, crafted with a premium zinc alloy frame for a modern, comfortable, and elegant appearance.
• 1.93-Inch AMOLED Ultra HD Display delivers vibrant colors, sharp details, and smooth touch operation with a 368 × 448 resolution and approximately 90% screen-to-body ratio.
• Da GPT AI Brain powered by ChatGPT technology provides intelligent assistance, helping with quick information, text generation, and AI-powered interactions directly from your wrist.
• AI Watch Face Generator allows you to create personalized watch faces using simple text prompts, making every watch face unique.
• Bluetooth Calling & Smart Notifications enables crystal-clear Bluetooth voice calls and instant notifications from WhatsApp, Facebook, Telegram, Instagram, TikTok, X (Twitter), and other supported apps.
• 24/7 Health Monitoring continuously tracks heart rate, blood oxygen (SpO₂), stress levels, sleep quality, and sedentary reminders using the advanced GoMore health algorithm.
• Professional Sleep Analysis monitors deep sleep, light sleep, REM sleep, and naps to provide comprehensive sleep quality insights.
• 100+ Sports Modes support walking, running, cycling, swimming, badminton, skipping, and many other workouts with detailed activity tracking and performance analysis.
• Bluetooth 5.3 Connectivity provides stable wireless performance, faster pairing, and improved power efficiency.
• Long Battery Performance is powered by a 230mAh battery, delivering dependable daily performance with efficient power management.
Specifications
Product Name:
COLMI C28 Smart Watch
Brand:
• COLMI
Model:
• C28
Display:
• 1.93-inch AMOLED Full Touch Display
• Resolution: 368 × 448 Pixels
Processor:
• JL7074
Memory:
• RAM: 316KB
• ROM: 128MB
Bluetooth Version:
• Bluetooth 5.3
Battery Capacity:
• 230mAh
Water Resistance:
• 1ATM
Material:
• Zinc Alloy Frame
Weight:
• Approximately 39g
Thickness:
• 7mm
Health Monitoring:
• 24/7 Heart Rate Monitoring
• Blood Oxygen (SpO₂)
• Stress Monitoring
• Sleep Monitoring
• Sedentary Reminder
Sports Modes:
• 100+ Sports Modes
Smart Features:
• Da GPT AI Assistant
• AI Watch Face Generator
• Bluetooth Calling
• Smart Notifications
• Voice Assistant Support
Compatible App:
• COLMI Fit
System Compatibility:
• Android 5.0 and Above
• iOS 10.0 and Above
Functions:
• Bluetooth calling
• AI assistant
• AI watch face creation
• Heart rate monitoring
• Blood oxygen monitoring
• Sleep tracking
• Stress monitoring
• Fitness tracking
• Sports recording
• Message notifications
• Sedentary reminder
Q&A
Q1: Does the COLMI C28 support Bluetooth calling?
Ans: Yes. It supports Bluetooth calls with a built-in speaker for hands-free communication.
Q2: What display does the smartwatch use?
Ans: It features a 1.93-inch AMOLED display with a 368 × 448 resolution.
Q3: Does it include AI features?
Ans: Yes. It includes the Da GPT AI Brain and supports AI-generated custom watch faces.
Q4: Can it monitor heart rate and blood oxygen?
Ans: Yes. It provides continuous heart rate, SpO₂, stress, and sleep monitoring.
Q5: How many sports modes are available?
Ans: The watch supports 100+ sports modes for a wide range of fitness activities.
Q6: Is the watch waterproof?
Ans: Yes. It has a 1ATM water resistance rating for everyday protection against splashes and light water exposure.
Q7: Which smartphones are compatible with the COLMI C28?
Ans: It works with Android 5.0 or later and iOS 10.0 or later devices using the COLMI Fit app.
Q8: What Bluetooth version does it use?
Ans: It uses Bluetooth 5.3 for fast and stable wireless connectivity.
Q9: How slim is the COLMI C28?
Ans: The smartwatch features an ultra-slim 7mm body and weighs approximately 39g for comfortable all-day wear.
Q10: What is included in the package?
Ans: The package includes 1 × COLMI C28 Smart Watch.
Rest assured, Extreme Gadgets will provide 100% authentic products with guaranteed sealed-pack delivery across Bangladesh.
Whats’s the price of COLMI C28 Smart Watch in Bangladesh?
COLMI C28 Smart Watch price in BD is 3990 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 COLMI C28 Smart Watch at the best price in Bangladesh from Extreme Gadgets
COLMI C28 Smart Watch

• COLMI C28 Smart Watch is a stylish AI-powered smartwatch that combines an ultra-slim premium design, vibrant AMOLED display, advanced health monitoring, Bluetooth calling, and intelligent fitness tracking. Featuring a 1.93-inch AMOLED display, Da GPT AI Brain, AI-generated watch faces, 24/7 health tracking, and 100+ sports modes, the C28 is built for users who want smart connectivity, wellness management, and personalized experiences in one elegant wearable. With Bluetooth 5.3 connectivity, lightweight construction, and broad Android and iOS compatibility, it is an ideal companion for work, fitness, and everyday life.
• Ultra-Slim Premium Design features a sleek 7mm profile and lightweight 39g body, crafted with a premium zinc alloy frame for a modern, comfortable, and elegant appearance.
• 1.93-Inch AMOLED Ultra HD Display delivers vibrant colors, sharp details, and smooth touch operation with a 368 × 448 resolution and approximately 90% screen-to-body ratio.
• Da GPT AI Brain powered by ChatGPT technology provides intelligent assistance, helping with quick information, text generation, and AI-powered interactions directly from your wrist.
• AI Watch Face Generator allows you to create personalized watch faces using simple text prompts, making every watch face unique.
• Bluetooth Calling & Smart Notifications enables crystal-clear Bluetooth voice calls and instant notifications from WhatsApp, Facebook, Telegram, Instagram, TikTok, X (Twitter), and other supported apps.
• 24/7 Health Monitoring continuously tracks heart rate, blood oxygen (SpO₂), stress levels, sleep quality, and sedentary reminders using the advanced GoMore health algorithm.
• Professional Sleep Analysis monitors deep sleep, light sleep, REM sleep, and naps to provide comprehensive sleep quality insights.
• 100+ Sports Modes support walking, running, cycling, swimming, badminton, skipping, and many other workouts with detailed activity tracking and performance analysis.
• Bluetooth 5.3 Connectivity provides stable wireless performance, faster pairing, and improved power efficiency.
• Long Battery Performance is powered by a 230mAh battery, delivering dependable daily performance with efficient power management.
Specifications
Product Name:
COLMI C28 Smart Watch
Brand:
• COLMI
Model:
• C28
Display:
• 1.93-inch AMOLED Full Touch Display
• Resolution: 368 × 448 Pixels
Processor:
• JL7074
Memory:
• RAM: 316KB
• ROM: 128MB
Bluetooth Version:
• Bluetooth 5.3
Battery Capacity:
• 230mAh
Water Resistance:
• 1ATM
Material:
• Zinc Alloy Frame
Weight:
• Approximately 39g
Thickness:
• 7mm
Health Monitoring:
• 24/7 Heart Rate Monitoring
• Blood Oxygen (SpO₂)
• Stress Monitoring
• Sleep Monitoring
• Sedentary Reminder
Sports Modes:
• 100+ Sports Modes
Smart Features:
• Da GPT AI Assistant
• AI Watch Face Generator
• Bluetooth Calling
• Smart Notifications
• Voice Assistant Support
Compatible App:
• COLMI Fit
System Compatibility:
• Android 5.0 and Above
• iOS 10.0 and Above
Functions:
• Bluetooth calling
• AI assistant
• AI watch face creation
• Heart rate monitoring
• Blood oxygen monitoring
• Sleep tracking
• Stress monitoring
• Fitness tracking
• Sports recording
• Message notifications
• Sedentary reminder
Q&A
Q1: Does the COLMI C28 support Bluetooth calling?
Ans: Yes. It supports Bluetooth calls with a built-in speaker for hands-free communication.
Q2: What display does the smartwatch use?
Ans: It features a 1.93-inch AMOLED display with a 368 × 448 resolution.
Q3: Does it include AI features?
Ans: Yes. It includes the Da GPT AI Brain and supports AI-generated custom watch faces.
Q4: Can it monitor heart rate and blood oxygen?
Ans: Yes. It provides continuous heart rate, SpO₂, stress, and sleep monitoring.
Q5: How many sports modes are available?
Ans: The watch supports 100+ sports modes for a wide range of fitness activities.
Q6: Is the watch waterproof?
Ans: Yes. It has a 1ATM water resistance rating for everyday protection against splashes and light water exposure.
Q7: Which smartphones are compatible with the COLMI C28?
Ans: It works with Android 5.0 or later and iOS 10.0 or later devices using the COLMI Fit app.
Q8: What Bluetooth version does it use?
Ans: It uses Bluetooth 5.3 for fast and stable wireless connectivity.
Q9: How slim is the COLMI C28?
Ans: The smartwatch features an ultra-slim 7mm body and weighs approximately 39g for comfortable all-day wear.
Q10: What is included in the package?
Ans: The package includes 1 × COLMI C28 Smart Watch.
Rest assured, Extreme Gadgets will provide 100% authentic products with guaranteed sealed-pack delivery across Bangladesh.
Whats’s the price of COLMI C28 Smart Watch in Bangladesh?
COLMI C28 Smart Watch price in BD is 3990 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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