Rapoo B20 Silent Mouse

B20 Silent Wireless Optical Mouse
Product Positioning: Entry Level
Transmission mode: 2.4G wireless/10m working range.
Sensor: Infrared Sensor
DPI: 1200 DPI
Buttons: Left button, middle button, right button
Scroll: wheel direction Two way
Power supply mode: Alkaline battery，
1 AA alkaline battery(Pre-installed)
Battery life: 12 months