Frequency Range: 2.403GHZ ~ 2.480GHZ
Operation Voltage: 3.3V
Operation Current: <50mA
Charge Voltage: 4.4V ~ 5.25V
Charge Current: <300mA
Sleep Current: <1mA
Transmit Power: < +5dB max.
OS: Windows 2000 / XP / Vista / CE / 7 / Linux, Android 2.1 or above
Battery: Built-in lithium battery, rechargeable via USB port (Battery and USB cable included)
Material: ABS
Color: Please choose the right color from the color chart
Net Weight: 106 g / 3.74 oz
Size: 145 x 97 x 18 mm / 5.71 x 3.82 x 0.71 in
USB Cable Length: 750 mm / 29.53 in