Sell M4 Smart Watch Mi Band 4 Fitness Tracker Xiaomi IP67 Waterproof Watch Heart Rate Sport Bracelet Blood Pressure Smartband Monitor Health Wristband best price

**Highlights: +Chipset 3431Q, FLASH memory 16MB +0.96 inch TFT IPS 160*80 resolution color screen +IP67 Waterproof (Life Waterproof) +Built-in 90mAh battery, Charging time about 1.5H, normal use time about 10 days, standby time about 20 days +Bluetooth Push Support (Caller, SMS Messenger, app news reminders: QQ、Facebook/Twitter/Wechat etc) +Support Heart Rate / Blood pressure / Blood oxygen monitoring (This function is for reference only and can not be used for medical data) +Pedometer (Exercise step, calorie consumption, movement mileage record) +Support Multi sports Modes ( Running / Riding / Climbing / Swimming / Pingpong / Walking etc) * Removeable straps * Charging Method: USB dedicated charging cable * Compatible System: BT4.0, for Android4.4 & IOS7.1 or above * Major function: sedentary reminder, multi-sports mode, full font push, WeChat campaign, weather forecast, call rejection, search device, alarm reminder, photo, drinking reminder, gesture control, do not disturb mode, reminder mode, Sleep Monitoring, G-Sensor * APP Support 10 languages: Simplified Chinese, English, German, Russian, French, Portuguese, Spanish, Italian, Hindi, Arabic **Specification: +Type: Smart Watch +Buletooth Version: Bluetooth 4.0 +Bluetooth Chip: ST17H25 +Charging Interface: USB +Waterproof Grade: IP67, Life Waterproof +Screen Display: 0.96 inch LCD +Compatible Systems: for Android 4.3 and above, for iOS 8.0 and above +Total Length: 235mm/9.25" (Approx.) +Adjustable Length: 155mm - 210mm/6.10" - 8.27" (Approx.) +Band Width: 22mm +Main Unit Size: 4.1cm * 1.2cm * 1.9cm (Length x Height x Width) +Material: ABS, PC main body cover, TPU strap +Battery capacity: 80mah +Battery type: lithium polymer battery +Charging Time: 1.5 -2 hours +Battery Capacity: 90mA +Working Current: about 550uA +Standby Time: about 15 Days +Working Time: about 3-4 Days +Display screen: 0.96 HD IPS HD color screen process, single point touch button +Bluetooth: 4.0 +System Requirements: Android 4.3 or iOS8.0 or higher phones that support Bluetooth 4.0 +Color: Black, Red, Blue +Features: Vibration Reminder, Blood Presure, Heart Rate, USB Charge Adjustable Length: 155mm - 210mm/6.10" - 8.27" (Approx.) **Packaging Contents: 1 * band 1 * Strap 1 * User Manual 1* USB cable for charge **About The Strap: Item Type : Watchbands Specification: -Material: TPU+nylon -Size: 26 x 1.8 x 0.5cm/10.24 x 0.71 x 0.20inch -Specialized replacement wristband for Xiaomi Mi Band 5/4/3 -This wristband features a hook-and-loop fastener for quick and easy adjustment -Easy for installing directly and removing, locks onto your device precisely and securely -Comfortable touch feeling on your wrist, contracted design style, with your life contracted and not simple -Suitable for daily wear, make you feel comfortable when you do exercise, walking, playing or sleeping