Function: PC mouse function, PC keyboard function, wireless multimedia speaker function, Skype phone function
Wireless connection, smart& portable size
To enjoy PC Multi-media Entertainment at home
To enjoy Android TV BOx and Smart TV Convenient& efficient for Conference,
Presentation& lecturing
To share large TV and projector screen
Plug and play, no driver required. It can compatible with USB 1.1 and USB 2.0 interface

Specification:
Speaker: 32W, 0.5Ω
Microphone: distance: 6m, direction: unidirectional(180 degree)
RF radio frequency: 2.4G RF
Signal transmission model: 2.4G RF
The Working current of the USB receiver: about 21.5mA
The Working current of the Keyboard: about 20mA
Support system: Windows/Mac/Linux/Android

Size: 20 x 5.5 x 2.3cm/7.8 x 2.2 x 0.9in(L x W x T)
Weight: 123g
Color: Black