Sell M3 M4 Bluetooth Smart Watch Fitness Tracker smartband Waterproof Bracelet watch best price

👍Watch this video to see how to connect it. https://feeds.shopee.com.my/universal-link/share/AFTRT3P-AgAWxswEAAAAAA==?smtt=0.0.9 Product description: 100% new label, high quality; Operating mode: touch operation Power on: long press the function key - IP67 waterproof - Charging voltage 5V current 1A-2.1A charging time 2 hours - About standby time 7-15 days - All-day activity tracking: steps, calories burned, mileage and heart rate. - Smart reminder: call reminder, SMS push, sedentary reminder. - More features: mobile search, remote camera shooting, stopwatch. - Continuous heart rate monitor: Continuous, automatic heart rate tracking on your wrist every second. - 0.96" TFT color touch screen: HD screen for easy reading of all fitness data. - Customizable clock face - Bluetooth 4.0, compatible with Android 4.4 and above systems, iOS 8.0 and above. - Bracelet push support language: Chinese and English - APP support language: multi charging USB cable *1, manual *1