Wireless Keyboard,Cordless Keyboard,Keyboard

WSCK-001:1.256 ID channel2.Operating frequency:56KHz3.Operating effective distance:>10M4.Power consumption:2AAA batteries5.Many colors optional6.Ergonomic design7.Compatible with windows 98/ME/2000/NT/XP8.Received by infraredWSCK-002:1.27Mhz radio frequency technology2.Reliable radio optical wireless mouse included3. 5 feet of cordless freedom from receiver4.Auto shut-off function to maximize battery life5. 255 Ids codes reduce interference among devices6. 2 AAA batteries for keyboard and 2 AAA for mouseWSCK-003:1.27Mhz radio frequency technology2.Reliable radio optical wireless mouse included3.5 feet of cordless freedom from receiver4.Auto shut-off function to maximize battery life5. 255 Ids codes reduce interference among devices6. 2 AAA batteries for keyboard and 2 AAA for mouseWSCK-004:1.Zero Degree Ergonomic design to prevent injury      from typing2.New concept for interactive relationship between keyboard and mouse ,70% work saving in internet process from mouse3.Direct access to internet,multimedia,office APP.Functions4.compatible with windows 95/98/2000/NT.ME throughkeyboard driver5.Scrolling for internet6.Scrolling for ivolume