M4 Waterproof IP67 Smart Watch Wristband Bracelet with Sport Fitness Tracker, Heart Rate Monitor - Blue Internet & Media Streamers - Bluetooth 2

- Bluetooth 2

Width:58-90mm

Unit Noise Figure (Db) 5dB Electromagnetic Compatibility ETS300 694-4 I/O Impedance 50ohm Power Adapter EU Plug Connector Type N-Female Other Features The mobile phone signal amplifier is a system used to make up the mobile phone network base station coverage

1 x 14500 Battery

229 ¡Á 0

M4 Waterproof IP67 Smart Watch Wristband Bracelet with Sport Fitness Tracker, Heart Rate Monitor - Blue Internet & Media Streamers - Bluetooth 2Device Model: intelligent heart rate bracelet Compatible system: Android 4. 4 and above and iOS 8. 4 and above Main functions: real time heart rate measurement, pedometer, calorie burning, distance, sleep monitoring, call reminder, alarm reminder, information push, flip bright screen (WeChat, blood pressure function) Vibration: real time vibration reminder (non Bluetooth connection status) Waterproof and dustproof: IP67 waterproof, bathing swimming