1) Mouse Pad,Black compact panel and smooth movement which suitable for all kinds of mechanical mouse and optical mouse use.

2) 4 port USB hub,USB1.1 and USB2.0.

3) Built in mini speakers.

4) Free to connect with extra sound,earphone,microphone.

5) Sensitive microphone inside, with the funcetion push to talk.

6) Equip with SD/MMC 4 in 1 memory card reader.