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- •Lowest Price Guaranteed! For Loyal customers; if you find a better deal, inbox us and we’ll try to beat it! Want a discount or coupon? Just inbox us to check availability & we’ll make sure you get the best deal in BD.
- •No discounts on best price or already max-discounted products.
Our response time: (11 AM – 8 PM)
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LAGENIO K3 4G Kids Smartwatch – Stay Connected, Stay Safe
Smart Features, Peace of Mind: LAGENIO K3 4G Kids Smartwatch
When it comes to child safety, communication, and convenience, the LAGENIO K3 4G Kids Smartwatch stands out as a comprehensive wearable for kids and a worry-reducing solution for parents. Designed with cutting-edge features including 4G calling, real-time GPS tracking, and an intuitive kid-friendly interface, this smartwatch is perfect for children who need to stay connected while enjoying freedom in a safe and controlled way.
Key Features of the LAGENIO K3 4G Kids Smartwatch
1. 4G Voice and Video Calling
Equipped with 4G LTE support, the LAGENIO K3 4G Kids Smartwatch enables seamless voice and video calling. Whether your child is at school, at a friend’s house, or at the playground, you can stay connected instantly. It supports Nano SIM cards and ensures stable connectivity across major networks.
2. Real-Time GPS, LBS, and WiFi Location Tracking
Safety is a top priority. The built-in GPS+LBS+WiFi+AGPS+Accelerometer ensures accurate location tracking. The LAGENIO K3 4G Kids Smartwatch lets parents monitor their child’s whereabouts in real-time through the dedicated LAGENIO mobile app. Set safe zones and get alerts if your child steps out of the designated area.
3. Vibrant 1.7” HD Touch Display
The 1.7-inch full-color screen (240×280 resolution) offers a bright and responsive user experience, making it easy for children to navigate. Animated watch faces and an intuitive UI make it engaging for younger users while maintaining practicality.
4. Camera for Fun and Video Calling
With a 0.3MP camera, kids can take fun photos or enjoy video chats with parents and loved ones. Whether capturing a moment or having a face-to-face call, the LAGENIO K3 4G Kids Smartwatch encourages creativity and connection.
5. Activity & Health Monitoring
Promote healthy habits early. The smartwatch includes a pedometer for step tracking, encouraging kids to stay active. Sleep tracking and motion sensors provide additional insights to parents for better health awareness.
6. IP68 Waterproof Design
Built to withstand daily adventures, the LAGENIO K3 4G Kids Smartwatch is IP68 waterproof. Whether it’s washing hands, rainy weather, or a splash of water during playtime, the watch keeps working without worry.
7. Battery Life That Lasts
With a 770mAh battery, this smartwatch offers extended usage throughout the day. Whether it’s for school, play, or travel, parents can rely on all-day battery support.
Compact Yet Durable Design
-
Dimensions: 51.0 × 42.6 × 15.7 mm
-
Build: Durable body with kid-friendly strap materials
-
Weight: Lightweight and comfortable for daily wear
The unibody design is available in vibrant colors—pink, purple, black, and blue—designed to suit every personality.
Technical Specifications
-
CPU: WI17
-
Memory: ROM 128MB + RAM 64MB
-
OS: RTOS
-
SIM: Nano SIM support
-
Camera: 0.3MP
-
Battery: 770mAh
-
Connectivity: GPS, LBS, GSM, WiFi, Accelerometer
-
Waterproof: IP68
-
App Control: Compatible with the LAGENIO App for Android and iOS
Why Choose the LAGENIO K3 4G Kids Smartwatch?
The LAGENIO K3 4G Kids Smartwatch is more than just a watch. It’s a personal safety device, communication tool, fitness monitor, and entertainment hub—all in one. It’s ideal for children aged 4 to 12 and perfect for parents seeking a balance between connectivity and independence.
From school commutes to family outings, the LAGENIO K3 4G Kids Smartwatch ensures that your child remains within reach while encouraging exploration in a safe, supervised way. With the support of the LAGENIO app, you’ll have full control over the watch’s functions, contacts, and location data.
Who Is It For?
-
Parents seeking peace of mind through real-time location tracking
-
Children who want to call or video chat with loved ones easily
-
Families who prioritize both safety and fun in a single device
Conclusion
Packed with premium features, built-in safety tools, and designed with a child-friendly interface, the LAGENIO K3 4G Kids Smartwatch is the perfect solution for today’s modern families. Invest in your child’s safety and freedom without compromising communication. With its combination of GPS tracking, waterproof design, Bluetooth calling, and interactive UI, this smartwatch offers everything a parent needs and everything a child wants.

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: Delivery starts at 100৳ in Dhaka, 150৳ outside.).
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.
LAGENIO K3 4G Kids Smartwatch – Stay Connected, Stay Safe
Smart Features, Peace of Mind: LAGENIO K3 4G Kids Smartwatch
When it comes to child safety, communication, and convenience, the LAGENIO K3 4G Kids Smartwatch stands out as a comprehensive wearable for kids and a worry-reducing solution for parents. Designed with cutting-edge features including 4G calling, real-time GPS tracking, and an intuitive kid-friendly interface, this smartwatch is perfect for children who need to stay connected while enjoying freedom in a safe and controlled way.
Key Features of the LAGENIO K3 4G Kids Smartwatch
1. 4G Voice and Video Calling
Equipped with 4G LTE support, the LAGENIO K3 4G Kids Smartwatch enables seamless voice and video calling. Whether your child is at school, at a friend’s house, or at the playground, you can stay connected instantly. It supports Nano SIM cards and ensures stable connectivity across major networks.
2. Real-Time GPS, LBS, and WiFi Location Tracking
Safety is a top priority. The built-in GPS+LBS+WiFi+AGPS+Accelerometer ensures accurate location tracking. The LAGENIO K3 4G Kids Smartwatch lets parents monitor their child’s whereabouts in real-time through the dedicated LAGENIO mobile app. Set safe zones and get alerts if your child steps out of the designated area.
3. Vibrant 1.7” HD Touch Display
The 1.7-inch full-color screen (240×280 resolution) offers a bright and responsive user experience, making it easy for children to navigate. Animated watch faces and an intuitive UI make it engaging for younger users while maintaining practicality.
4. Camera for Fun and Video Calling
With a 0.3MP camera, kids can take fun photos or enjoy video chats with parents and loved ones. Whether capturing a moment or having a face-to-face call, the LAGENIO K3 4G Kids Smartwatch encourages creativity and connection.
5. Activity & Health Monitoring
Promote healthy habits early. The smartwatch includes a pedometer for step tracking, encouraging kids to stay active. Sleep tracking and motion sensors provide additional insights to parents for better health awareness.
6. IP68 Waterproof Design
Built to withstand daily adventures, the LAGENIO K3 4G Kids Smartwatch is IP68 waterproof. Whether it’s washing hands, rainy weather, or a splash of water during playtime, the watch keeps working without worry.
7. Battery Life That Lasts
With a 770mAh battery, this smartwatch offers extended usage throughout the day. Whether it’s for school, play, or travel, parents can rely on all-day battery support.
Compact Yet Durable Design
-
Dimensions: 51.0 × 42.6 × 15.7 mm
-
Build: Durable body with kid-friendly strap materials
-
Weight: Lightweight and comfortable for daily wear
The unibody design is available in vibrant colors—pink, purple, black, and blue—designed to suit every personality.
Technical Specifications
-
CPU: WI17
-
Memory: ROM 128MB + RAM 64MB
-
OS: RTOS
-
SIM: Nano SIM support
-
Camera: 0.3MP
-
Battery: 770mAh
-
Connectivity: GPS, LBS, GSM, WiFi, Accelerometer
-
Waterproof: IP68
-
App Control: Compatible with the LAGENIO App for Android and iOS
Why Choose the LAGENIO K3 4G Kids Smartwatch?
The LAGENIO K3 4G Kids Smartwatch is more than just a watch. It’s a personal safety device, communication tool, fitness monitor, and entertainment hub—all in one. It’s ideal for children aged 4 to 12 and perfect for parents seeking a balance between connectivity and independence.
From school commutes to family outings, the LAGENIO K3 4G Kids Smartwatch ensures that your child remains within reach while encouraging exploration in a safe, supervised way. With the support of the LAGENIO app, you’ll have full control over the watch’s functions, contacts, and location data.
Who Is It For?
-
Parents seeking peace of mind through real-time location tracking
-
Children who want to call or video chat with loved ones easily
-
Families who prioritize both safety and fun in a single device
Conclusion
Packed with premium features, built-in safety tools, and designed with a child-friendly interface, the LAGENIO K3 4G Kids Smartwatch is the perfect solution for today’s modern families. Invest in your child’s safety and freedom without compromising communication. With its combination of GPS tracking, waterproof design, Bluetooth calling, and interactive UI, this smartwatch offers everything a parent needs and everything a child wants.

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: Delivery starts at 100৳ in Dhaka, 150৳ outside.).
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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