Main Features:
Device model: M4
Bluetooth: 4.0
Battery: 90mA Polymer Lithium-ion
Charging Time: 2 hour Using Time:about 7 days Standby Time: about 15 days
Waterproof: Life Waterproof
Compatible system: for IOS8.0 and above,for Android4.4 and above
Synchronization Range: 3m(theoretical rang is 10m without any interference)
Main functions: heart rate monitoring, step counting, calorie burning, distance, RTC display, automatic sleep monitoring, call reminder, information push, alarm reminder, anti-lost, remote control, etc.
Waterproof and dustproof: sweatproof, rainproof, splashproof
Display screen size: 0.96 inches
Screen type: TFT
Connection parameters: Bluetooth Low-power Bluetooth 4.0 synchronization
Other parameters: appearance material TPU
Product net weight: 22g
Product color: black, blue, red
Other features: touch screen: full touch screen
Control mode: button switch
Data Storage: Record 7 days of detailed exercise data
Battery type: polymer lithium battery
Charging method: USB charging cable