--- product_id: 53862329 title: "Fitness Tracker Smart Band Continuous Heart Rate Monitor, MGCOOL B3 / B4 Activity Tracker Bracelet Sleep Monitor Step Counter Stopwatch Distance Smart Watch Reminder, Christmas Gift (Band4-Blue)" brand: "mgcool" price: "455.27 DT" currency: TND in_stock: true category: "Misc." url: https://www.desertcart.tn/products/53862329-fitness-tracker-smart-band-continuous-heart-rate-monitor-mgcool-b3 store_origin: TN region: Tunisia --- # Fitness Tracker Smart Band Continuous Heart Rate Monitor, MGCOOL B3 / B4 Activity Tracker Bracelet Sleep Monitor Step Counter Stopwatch Distance Smart Watch Reminder, Christmas Gift (Band4-Blue) **Brand:** mgcool **Price:** 455.27 DT **Availability:** ✅ In Stock ## Quick Answers - **What is this?** Fitness Tracker Smart Band Continuous Heart Rate Monitor, MGCOOL B3 / B4 Activity Tracker Bracelet Sleep Monitor Step Counter Stopwatch Distance Smart Watch Reminder, Christmas Gift (Band4-Blue) by mgcool - **How much does it cost?** 455.27 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/53862329-fitness-tracker-smart-band-continuous-heart-rate-monitor-mgcool-b3) ## Best For - mgcool enthusiasts ## Why This Product - Trusted mgcool brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Wanna know "the Frequency of your heart by doing Extreme sport or Yoga" ? or "The moments you heart leaps up or quite inside" ? By wearing our MGCOOL Band 3 / 4 Fitness Tracker, all you have to do is just to raise your wrist up ! Training on your own goal: On the APP you can customize your exercise goals and training plans, trace your running with smartphone GPS, share your weekly health to social medias. Health and Sleep quality Analyse: Monitors your overnight sleep, the deep sleep and light sleep, through Smartphone app (iOS/Andriod) to check the sleep trend and help to improve the quality of sleep daily, weekly, and monthly. Durable Battery for 20-30 days Long: There is a 105mAh(B3) / 90mAh(B4) Li battery, which can stand by almost 20-30 days and enables the tracker keep working for 8-10 days. Battery life and charge cycles vary with use, settings and other factors. Comfortable wearing and of your own character : The strap of Band 3 / 4 is made from soft silicone with smooth finish for sporty look, and there are two colors of the band bracelet: black and red for your choice to fit your style. Specifications: Model:MGCOOL Band 3 / Band 4 Comaptible OS:Android 4.4 or above,iOS 8.0 or above BT Version: Bluetooth 4.0 G-Sensor: 3-axis APP Name: WearFit 2.0 Display size: B3 0.66″; B4 0,96" Display type:OLED Battery type:Li-ion Capacity:105mAh Working time:8-10 days Standby time:20-30 days Product size:248*24.2*11mm(B3); 255mm*22mm*11.2mm(B4) Package size:126mm*86mm*31mm Product weight:28g ## Features - 【Splash waterproof, 0.96 " Large-Size OLED Screen, 4 Customizable Clock Faces 】 With larger screen, the fitness tracker shows more details more clearly on the screen. 4 main interfaces for choose, suit your own taste - 【Intelligent, Automatic Real-time Heart Rate FitnessTracker 24/7】 Accurate optical sensor and advanced algorithms, enables heart rate continuously tracking all days long. Once wear it on, heart rate will record automatically, help to know your heart better. - 【Multi-Functions Activity Tracker, Smart Reminder, Know Yourself Better】 Continuous HR/Sleep monitor, Steps/Calories/Distance counter; alarm, stopwatch, sedentary, call/SMS/SNS reminder, etc. Smart tracker for your fitness, help to know your body conditions and to form a healthy habit. - 【Raise Wrist to Wake, In-depth Analysis For Training and Sleep 】Real-time information(CHR, steps ,distances, calories, sleep) shows on the screen everytime you raise your wrist up, and via Bluetooth synchronizing, the activity tracker will automatically form a daily/weekly/monthly In-depth Analysis, convenient and brilliant for your training and sleep health. - 【100% MONEY-BACK GUARANTEE FOR 30DAYS 】 For whatever reason in 30 days, we'll replace or refund it --Absolutely NO risk! -- 12 months warranty and professional customer service support-Any problems contact with professional customer service support center: service@mgcool.cc ## Images ![Fitness Tracker Smart Band Continuous Heart Rate Monitor, MGCOOL B3 / B4 Activity Tracker Bracelet Sleep Monitor Step Counter Stopwatch Distance Smart Watch Reminder, Christmas Gift (Band4-Blue) - Image 1](https://images-na.ssl-images-amazon.com/images/I/41zoqnYgIBL.jpg) ![Fitness Tracker Smart Band Continuous Heart Rate Monitor, MGCOOL B3 / B4 Activity Tracker Bracelet Sleep Monitor Step Counter Stopwatch Distance Smart Watch Reminder, Christmas Gift (Band4-Blue) - Image 2](https://images-na.ssl-images-amazon.com/images/I/51%2BVqF-U6cL.jpg) ![Fitness Tracker Smart Band Continuous Heart Rate Monitor, MGCOOL B3 / B4 Activity Tracker Bracelet Sleep Monitor Step Counter Stopwatch Distance Smart Watch Reminder, Christmas Gift (Band4-Blue) - Image 3](https://images-na.ssl-images-amazon.com/images/I/5161Kq5W1RL.jpg) ![Fitness Tracker Smart Band Continuous Heart Rate Monitor, MGCOOL B3 / B4 Activity Tracker Bracelet Sleep Monitor Step Counter Stopwatch Distance Smart Watch Reminder, Christmas Gift (Band4-Blue) - Image 4](https://images-na.ssl-images-amazon.com/images/I/51sBf8quGOL.jpg) ![Fitness Tracker Smart Band Continuous Heart Rate Monitor, MGCOOL B3 / B4 Activity Tracker Bracelet Sleep Monitor Step Counter Stopwatch Distance Smart Watch Reminder, Christmas Gift (Band4-Blue) - Image 5](https://images-na.ssl-images-amazon.com/images/I/512sRzYk70L.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/53862329-fitness-tracker-smart-band-continuous-heart-rate-monitor-mgcool-b3](https://www.desertcart.tn/products/53862329-fitness-tracker-smart-band-continuous-heart-rate-monitor-mgcool-b3) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-25*