About the product
- 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
- Operating system: Windows Vista
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