<ul><li>Full QWERTY Keyboard Layout</li><li>Convenient Typing</li><li>Flip Up And Down Function Key, Left And Right Mouse Function Keys</li><li>90 Degree Flip Touchpad</li><li>Built-In 2.4G Wireless Receiver</li><li>Model: UKB-500-RF</li><li>Key Number: 92 Keys (74 Standard Keys +18 Media Keys)</li><li>DPI Adjustable Transmit Power +5 DB</li><li>Operating Voltage: 3.3 V</li><li>Operating Current: &lt;50 MA</li><li>Charging Voltage: 4.2 V 5.05 V</li><li>Charging Current: &lt;300 MA</li><li>Sleep Current: &lt;1 MA</li><li>Working Distance: 15 M</li><li>Battery: 810 MA Lithium Battery</li><li>Compatibility: PC, HTPC, Google TV, WEB, TV, Android TV Box, IPad, PS3, IPTV</li><li>System Requirements: Windows 2000, Windows XP, Windows Vista, Windows CE, Windows 7, Linux (Debian-3.1, Redhat-9.0 Ubuntu-8.10 Fedora-7.0 Tested</li><li>Dimensions: 146.8 97.5 19 Mm</li></ul>