Typical specs.

Dimension: H:W:L=13mm:20mm:218mm

Weight: 30g(Net weight)

Material: Medical grade silicone + PC shell

Battery: Rechargeable 80mAh lipo battery

Duration time: Up to 20 days; As bluetooth earphone with about 4.5hrs.

Screen: OLED screen

Storage: Max. 7days storage in the band, 1 year in the smart cellphone.

              And after uploaded to the server, canbe storaged as 3 years

Mode: Exercise/Activity/Sleep/Nap/Bluetooth

Smart alert: in-comingcalls alert; idle alert and alarm

Data transmission: Bluetooth 4.0

Matched software: IOS7.0/Android 4.3 and later versions (and above)

Water resistance: Daily waterproof 30M; grade IP67

Color: Multi-colors for choices (Red/Blue/White/Black/Green)

Main inside core electronic elements:

---Super strong MCU platform: with (America:Silicon labs Arm Cortex) framework;

---Super reliable G-Sensor: withJapan:Konix

---Super lower energy consumption Bluetooth: Switzerland:EM (9301) Microelectronic BLE 4.0 bluetooth

---Derived from Apple accessories ultra-low power motor

The in-coming calls alert, idle alert and alarm functions must be set through the cellphone APP.