Operating distance: Up to 10 meters / 30 feet* Wireless model: DSSS model RF* Transmitting power: Max 4dBm* Working voltage: 3.3V* Working current:  * Charging voltage: 4.2V~5.05V* Charging current:  * Sleep current:  * Dimensions: 151 x 61 x 12.5mm* Weight: 95g* Color:

Operating distance: Up to 10 meters / 30 feet* Wireless model: DSSS model RF* Transmitting power: Max 4dBm* Working voltage: 3.3V* Working current:  * Charging voltage: 4.2V~5.05V* Charging current:  * Sleep current:  * Dimensions: 151 x 61 x 12.5mm* Weight: 95g* Color: Black

System Requirements:

Windows 2000, Windows XP, Windows Vista, windows CE, windows 7Android OS(2.1 above)Microsoft xBox 360 ( may require firmware update )Sony PS3 ( may require firmware update )Linux (Debian-3.1, Redhat-9.0 Ubuntu-8.10 Fedora-7.0 tested)

Features:* Adjustable DPI Touchpad* Virtual Scroll Wheel (page up and down control key)* 79 keys* 27 LED Backlights* 2.4GHz integrated wireless receiver* 90-degree rotating Touchpad* Innovative Navigation keys* Windows Multimedia Control* Rechargeable & removable lithium-ion battery* Real notebook Touchpad* Full QWERTY full-function mini keyboard* Ideal for lecturers, meeting presenters, teachers, sales managers or anyone giving a multimedia presentation.Packing list:1* Mini wireless keyboard1* Wireless Receiver1* USB-A to Mini B Charge only Cable1* User manual