A4Tech R7-20D Silver-Black USB

Design: For left hand, for right hand
Description: Connection interface: USB Type A, radio channel, design: left-handed, right-handed, operating principle: optical LED, number of keys: 4, optical sensor resolution: 900 dpi
Additional Information: Double click button
Type: Compact mouse
Power supply: 2xAAA
Connection type: Wireless
Principle of operation: Optical LED
Connection interface: USB Type A, radio channel
Wireless range: 1.5 m
Number of keys: 4
Built-in Options: Scroll wheel
Number of programmable keys: 3
Optical sensor resolution: 900 dpi