M4 Bluetooth Smartwatch Waterproof Fitness Band and Activity Tracker for Men Compatible with Android and All iOS Devices (Black, Pack of 1)

Description

Function: Blood Pressure Heart Rate Tracker Call rejection Passometer Time?step, distance and calorie Sleep monitoring call remind, Message push Anti-lost remind (phones beyond the scope will remind) Alarm clock remind Task remind Activities remind Moving target setting Moving information sharing SUOTA function Synchronous data to mobile applications Android and apple application in sync APP name: DuoWear Specifications Screen display band: 0.96 inch TFT System requirements: Android 4.4 and above, IOS 8.0 and above Bluetooth version: BLE 4.0 Cell capacity: 90mah Standby time: about 15-20 days Working time: about 4-6 days Motor: Vibration remind GSensor: SC7A20 antennas: Fpc antenna.