Wired Trackball Keyboard

Keyboard Features
1: 15 Hot Keys Multimedia Keyboard
2: Ergonomic Design with Comfort Palm rest
3: Build-in Optical Trackball with Control of Mouse Function
4; Fit with Various Industrial and Professional Use
5: Build-in 2x USB2.0 Hubs
6: 1.8M Durable Cable 7USB 2.0 Interface
8: Keyboard: 487 mm (L) x 258 mm (W) x 38 mm (H)

System Requirements
IBM or Compatible PC System
Win Me/2000/XP/Vista