Mini ultimedia keyboard with 78 key 1. Wireless range up to 10 meters
2. 2.4GRF technology, freely 360 degree use
3. 1 dongle, hot plug and play
4. Button life: over300,0000 times
5. Mice Optical Resolution: 800/1200/1600DPI asjustable
6. Support multi-language layout
7. Excellent flexibility and sensitive key
8. Battery: 2 AAA for keyboard and 2 AAA for mouse
9. Power saving technology and low power indicator
10. Compatible OS: Windows 95/98/NT/ME/2000/XP/VISTA/7 and later