Typical specs.

Dimension: H:W:L=7.6mm:27.5mm:253mm

Weight: 16g (Net weight)

Material: Medical grade TPU

Battery: Rechargeable 210mAh lipo battery

Duration: 6 months

Screen: No screen

LED lights: 12 LEDs

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

              And after uploaded to the server, can be storaged as 3 years

Mode: Exercise/Activity/Sleep/Bluetooth

Smart alert: In-coming call alert, smart sleep alarm, Fatigue and sedentary reminder,Weight setting reminder

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/Silver/Golden/Black/Green)

Main inside core electronic elements:

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

---Super reliable G-Sensor: with USA ST

---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.