Main features
m4 smart band fitness tracker watch
1. made of high-quality materials, comfortable to wear, no binding, color display, clearer.
2. it has many functions such as health detection, monitoring sleep, information prompting, and waterproofing.
power on: long press function key
features:
*sports and health: sports step (3d sensor), calorie consumption, exercise distance, pedometer
*support dynamic heart rate, blood pressure, blood oxygen monitoring,
*support call reminder and message reminder
*remote camera function: shake it to take photos after bluetooth connection like a remote camera shutter for your phone.
*life waterproof: ip67 ,can wash hands, wear in the rain, but it better not swim
*bracelet band is replaceable
*bluetooth 4.0, compatible with android 4.4 and above system, ios 8.5 and above system.