- Bluetooth Specification：Version 2.0 Class 2
- Range of Frequency：2.4GHz Spectrum
- Operating Voltage：3.7Vdc(powered by Li-ion)
- Operation Current：< 5mA
- Standby Current：1.2mA
- Sleep Current：< 0.2mA
- Transmit Range：up to 10 meters
1.First-Time Use：Please charge at least 6 hours for the first time usage and charge at least 2 hours when battery runs low.
2.Red LED Blinking：When the red LED starts blinking, it means the battery is nearly empty.
3.Plug the USB cable into your keyboard and computer by USB port respectively and it starts charging. Keyboard can work uninterruptedly during charging.
- IBM or PC compatible/Mac PC enable with Bluetooth wireless technology.
- Windows system with Bluetooth software installed (Windows XP SP2 orabove, Windows vista, Toshiba stack, Widcomm BTW, or IVT Bluecoleil).
- Mac OS 10.2.8 or above with Bluetooth software installed. Installation Guide.