n  Application spectrum：Windows system、Android system, varieties of hosts, set-top boxes and smart TVs that can use standard USB interface keyboards or mouse.

n  Specifications：

Frequency range：2.4G Hz

Control distance：10M

Battery：AAA*3

Applicable battery：Alkaline battery, Ni-MH battery, Nl-CD battery.

Operating current ：17mA

SIZE：180mm（L）*60（W）*23（H）