1, Mode of connection:Wireless (Bluetooth)
2, Plug and play:N/A
3, Multimedia:Support
4, USB:No
5, Human Engineering:Support
6, Power Supply:Two AA alkaline batteries
7, Updating software:MAC OS X v10.6.8 XP VISTA WINDOWS 7
8, Keyboard:Aluminum Keyboard Software3.0
9, Transmission range:Operating range of 8M
10, Operating current:2~4mA
11, Hibernate current:20~50uA
12, Size:132×282×5
13, Net weight:270gm