UGREEN Adjustable Laptop Stand

*Mode:Wireless: 2.4 GHz&BT 5.0
*Operating Distance:15 m/49.2ft
*DPI:1000/1600/2000/4000 DPI
*5 Buttons Function
*Click button : Mute button, the lifespan of 3 million times

*Scroll : Rubber material with silent encoder, 300,000
times lifespan
*Operating Voltage: 1.5V
*Operating Current: 40mA
*Insert the AA alkaline battery
*Compatible Systems: Windows 7/8.1/10/11;macOS
10.5 or later;Linux;Chrome 0S;Android
*Support Mac mode
*Operating Temperature:
-5°C~40°C/23*F~104*F
*Storage Temperature:
-10°C ~ 60*C/14*F~140°F