Original Rii mini i8 Wireless Bluetooth Keyboard RF Qwerty Touchpad Mouse gaming

*Operating range: 10 meters(MAX), without signal disturbance and no direction limit.
*Frequency range: 2.403GHZ ~ 2.480GHZ
*Operational voltage: 3.3V
*Charge Voltage: 4.4V ~ 5.25V
*Modulation: GFSK
*Channel: 78channels
*TX Power: less than +5dBm
*Transmission rate: 1M bit/sec
*Frequency tolerance: +/-30ppm
*Power consumption: 55mA(on), 1mA(sleep)
*Color: Black,White
*Battery Type: Built-in lithium-ion battery
*Item size: 15 * 10 * 2cm
*Item weight: 109g
*Package size: 17 * 14.5 * 3.5cm
*Package weight: 175g