Model 

W301 - bluetooth bracelet 

Display Style

OLED screen 091''

Colors available

customized color, as long as you provide a pantone number 

Materials

TPU+Metal

Size:

50x22x11mm

Weight:

25g

Battery:

Rechargeble 75mAh Li-Battery,Battery power for two weeks

Wireless Data transfer  

Yes

Water-proof

Yes

USB recharging

Yes, 1-2 hours full charged to usecontinuously for two weeks

Battery capacity

75mAh

Bluetooth 

4.0 version

Supports:

Caller ID,  Time display, Time Sync,  Set Time/Date, Personal Infor, Pedometer,  Measurement,   Calorie Measurement,  Email notification,  Event to remind, Sleep monitoring,  Vibration funtion, SMS alerts.

Record 

Accurate exercise and sleep data