Keyboard + A4 V-Track 4200N keyboard:black :black USB wireless

Design: For left hand, for right hand
Product color: Black
Description: Connection interface: USB Type A, radio channel, design: left-handed, right-handed, operating principle: optical LED, number of keys: 3, optical sensor resolution: 2000 dpi
Type: Mouse
Power supply: 2xAAA
Connection type: Wireless
Principle of operation: Optical LED
Connection interface: USB Type A, radio channel
Wireless range: 10 m
Number of keys: 3
Built-in Options: Scroll wheel
Optical sensor resolution: 2000 dpi