Sell M4 smart bracelet heart rate fitness tracker smart watch sports fitness bracelet compatible with ios Android system best price

product description: 0.96''IPS 160 * 80 resolution color screen Hardware platform: HS6620D Touch screen: single point Bluetooth: BLE4.2 Battery: Built-in 100mAh battery, charging time is about 1.5H, normal use time is about 3-5 days, standby time is about 7-10 days Charging mode: USB dedicated charging cable Waterproof rating: IP65, life waterproof Bluetooth push support (call, SMS, application news alert: QQ, Facebook / Twitter / WeChat, etc.) Support heart rate / blood pressure / blood oxygen monitoring (this function is for reference only, can not be used for medical data) Pedometer (sports step, calorie consumption, exercise mileage record) Support multiple sports modes (running / riding / climbing / swimming / ping pong / walking, etc.) APP name: ''fitpro'' detachable shoulder strap Compatible system: BT4.0, for Android4.4 and IOS8.0 or higher Main features: sedentary reminder, multi-sport mode, full font push, WeChat activity, weather forecast, refusal call, search device, alarm reminder, photo, drinking reminder, gesture control, do not disturb mode, reminder mode, sleep monitoring, G sensor APP supports 10 languages: Simplified Chinese, English, German, Russian, French, Portuguese, Spanish note: Please don't read it compared to hospital equipment, it is not a medical device! Before using, scan the QR code on the manual to download the app and connect it to the watch via the app. Product parameters: Color: black, blue, red....... Size: 45 * 20 * 8.5mm Weight: 15 grams Packing size: 8.5 * 10.5 * 2.5cm Package weight: 30 grams Product List: Bracelet x 1 Charging cable x 1 Instruction Manual x1 Box x 1