2021 latest generation of smart digital watches for men and women Designed for customers looking for appearance, function and exercise, health tracker / message notification / personal assistance / sport mode / waterproof wick / stylish appearance Main functions Health tracking: heart rate / blood pressure / sleep monitoring / calories / speed / distance meter / pedometer Notification: call reminder / SMS / email / FB / Twitter / Skype, etc. Personal assistance: alarm clock / stopwatch / sedentary reminder / remote camera Sport mode: walking / running / cycling / soccer Waterproof grade: IP65 degree of protection, easy to use, anti-vibration / ripple. Choose other fun activities or deep water activities. Specifications Screen: 1.3 inch LCD Bluetooth version: 4.0 (low power consumption) Standby time: 20 days Working time: 4-5 days Charging method: standard USB charging Applicable models: Android 4.4 or above, IOS 8.2 or above Support for Bluetooth version 4.0 Language support: English / German / Italian / Spanish / French Package : 1 x Fitness tracker Smart Watch 1 x User Manual Note：You can use the usb interface to charge. So this product does not include a charging head!