A4Tech RP-649Z UP Silver USB+PS/2

Design: For right hand
Description: Connection interface: PS/2, USB Type A, radio channel, design: right-handed, operating principle: optical LED, number of keys: 5, optical sensor resolution: 800 dpi
Additional Information: Power: 2 Ni-HM AA batteries. 1 button wheel and 1 scroll wheel. Charger in the receiver.
Type: Mouse
Power supply: 2xAA
Connection type: Wireless
Principle of operation: Optical LED
Connection interface: PS/2, USB Type A, radio channel
Number of keys: 5
Built-in Options: Scroll wheel
Number of programmable keys: 5
Optical sensor resolution: 800 dpi