Specification: Chip: Nordic nRF51822 Sensor: KXT J2-1009 PD70-01C-TR7 Screen size: 0.87 inch OLED screen HR senor: PD70-01c-TR7 Memory: 32KB+256KB Strap material: TPU Transmission: Bluetooth 4.0 Battery: 70mAh Li-polymer battery Standby time: 5-8 days Battery capacity: 70mAh Charging time: About 1 hour Charging current: 300mA-2000mA (Optimal 500mA) Charging port: Built-in USB Product Weight: 19g Product size: 230 x 18.8 x 10.8mm Working temperature: -10-45 degree centigrade Waterproof: Yes ( Life waterproof ) Package contents: 1 x Fitness Tracker, 1 x User Manual, 1 x Packaging Box Device requirement: Compatible with Android 4.4 and above / iPhone 4s above or iOS 8.0 above, Bluetooth 4.0 enabled device Warm prompt: The App language depends on the language setting of your smartphone. Bluetooth Connection Procedure: 1.Please kindly turn on the Bluetooth on your smartphone at first. 2.Open "H band"App you have downloaded from App store, entering "Setting"interface. Then tap "device"menu to enter the"Device connection"interface. 3.Simply click the corresponding name to connect the device. If the device cannot be found, please swip down to refresh the list and try again. Tips: For Android phone users, you may need to input default password "0000"to finish Bluetooth connection during the process.
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