Callmate CMBTSBTGN Fitness Smart Band  (Green Strap, Size : Regular)

"Callmate Wireless Activity Smart Bracelet Features:- The first smart bracelet with OLED, recording sports data in daytime And sleeping data at night to guide healthy living lifestyle. Host comes with a standard USB port, special design to charge Through connecting PC and mobile driver. Computers and Android dual-mode synchronous data. Host Syncs via wireless Bluetooth Using led lights and vibration motor to remind twice. Pedometers Basic pedometers Weight: 18g (unpacked) Three rate IP67 Work temperature:- 20°C - +45°C Operating temperature:- 40°C - +45°C Hardware Specifications Charge method: Standard USB charging Display Size 0.49 & 0.91 inch OLED screen Battery : 40mAh polymer battery Standby time: over 4days Synchronized with the following devices PC terminal: Windows XP, Vista.7+ Mobile terminal : IOS and Andoride Above and some android 4.2 Bluetooth 4.0+ smart phones to Synchronize data Equipment list : Host wristband snaps manual Service commitment 6 month warranty"