Specification:
Type: 2.4G hz Wireless
Interface Type: USB
Color: Beige, blue, mint green, pink (optional)
Noise reduction: 90%, left/right button, middle button 1 volume level is obtained by comparing Logitech M221 and Logitech M170. The left click volume level is measured by an independent laboratory at a distance of 1m/ 3.28 ft.
Smooth optical tracking DPI (minimum/maximum): 1000 ±
Number of keys: 3
Connection type: 2.4GH z USB wireless connection
Wireless range: 10m/ 32.8 ft, wireless receiving range varies according to users, operating environment and computing conditions.
OS requirement:
For Windows10 or higher, 8, RT, 7
For Mac OS x 10.5 or higher
For Chrome OS
For Linux Kernel 2.6 +2