Amazon has a excellent deal on a Adesso 2.4 GHz RF Wireless Mini Trackball Keyboard (WKB-3100UB) $37.44 and when you clip the 75% off coupon the price drops down to $9.36 (reg $47.43) + Free Shipping for prime member or on orders over $25!
- 2.4GHz RF Wireless Technology with 12 Channels (65000 IDs per Channel)
- Keyboard Layout: 87-Key US Layout
- Connect Button for Easy Connection
- Power ON/OFF Switch for Increased Energy Saving
- Battery Low LED Indicator
- Optical Trackball Sensor – 800DPI
- 2 AA Batteries Included