Features
Track body energy， calories burned， steps taken， distance traveled and sleep quality
Compatible with iPhone 5+ and Android 4.3+
One year battery life on a CR2032 coin cell battery
365 days device memory
Water proof up to 5 feet
Wireless: Bluetooth Smart Technology
Transmission Range: approximately up to 5 meters
General Specs
Battery Style	CR2032 coin cell battery
Battery Life	4-6 months， 24 hours per day
Wireless	Bluetooth Smart， standard BLE profile
IOS	iPhone 5+
Android	4.3+
Waterproof	IPX4
Transmission Range	approximately up to 5 meters (16 ft)
Operating Temperature	Minus 10 - 50 degrees
Product Details (without package and accessories)
Dimensions	24 x 7.5 mm
Weight	5 g