Waist Band Size: 250x19.4x11.9mm
Strap Material: TPU
Charging:USB dire ct charging
Color: Black,Dark Blue,Purple,Red,Green
Display:0.96 inch LED
Motor: built in for vibration reminder
Heart Rate: can monitor static, dynamic
Charging Time:About 1-1.5 hours
Standby:Work for about 7days, or standby for about 15 dayss after each full charge
Wireless Distance: 5m~10m
Compatibility:Support Android & iOS phones
OS Requirement: Android 5.0 and above, iOS 7.0 and above, bluetooth 4.0
Data Sync: bluetooth data sync to phone app
Data Storage: can keep 7-day exercise data
APP Compatible Language:Chinese, English, Spanish, French, Portuguese, Dutch, German, Russian
Languages supported by news content: Chinese, English, Spanish, German, French, and Portuguese
Operation Method:Touch button
1 inch = 2.54 cm
Our size is Asia size.
There is 2-3% difference according to manual measurement.please check the measurement chart carefully before you buy the item.
Item color displayed in photos may be showing slightly different on your monitor.