... mouse touchpad great choice for youFeatures:l 4 in 1 wireless stereo speaker, Microphone, Keyboard, and mouse touchpad 4 in 1l ... 2.4G wireless stereo speaker and Microphone for skype, google talk, MSN, QQ chatl ... to install softwareSpecification l Operating distance: 10 metersl 2.4G RF connection l Battery capacity: 400mAl Transmitting power: Max +4dBml ...