1. Uses Broadcom20730 as main control chip, with Bluetooth 3.0 interface.
2. Uses WIDCOMM BTW Bluetooth software.
3. Stylish protective PU leather case with stand.
4. Light weight, quiet keystroke dust proof and spill-proof.
5. Working temperature: -20~55'C; Humidity: 20%~50%.
6. Energy saving and with auto sleep function.