Ugreen Ergonomic Wireless Mouse 2.4G 4000DPI Silence Design

Features:5 Levels Adjustable DPI: The Laptop Wireless Mouse with 4 DPI levels from 800 to 4000 adapts to different screens.
Full-Size Ergonomic Mouse: With four standard buttons and back/forward buttons, UGREEN ergo mouse makes web browsing a breeze.
Ultra Silent Mouse: Super quiet while clicking a button, scrolling or moving the mouse.
Specification:Mode: Wireless -2.4 GHz 
Operating Distance: 15 m/49.2ft
DPI:800/1200/1600/2000/4000 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 (NOT included) 
Compatible System: Windows 7/8.1/10/11;macOS 10.5 or later; Linux;Chrome 0S;Android Operating Temperature:: -5°C~40°C/23*F~104*F
Storage Temperature:: -10°C ~ 60*C/14*F~140°FFull-size Ergonomic Shape:Natural Fit Designed to be extra slim, while still fitting naturally in the palm of your hand.
99% Silent Clicking:This silent wireless mouse for laptops with a noiseless design, which is super quiet whether clicking a button, scrolling, or moving the mouse, makes it an ideal computer mouse for office, conference room, cafe, library, bedroom.
6 Mute Buttons:Left button, Right button, Middle button(Scroll wheel)Indicator light, Forward / Backward key, Key for switching DPI/ Operation System
Universal Compatibility，No Driver Required:Compatible with Windows 7/8.1/10/11,macOS 10.5 or later, Linux, Chrome OS…
15m Long Range Transmitter:2.4G wireless connection, anti-interference signal transmission
5-Level DPI Setting:The default setting is 1600 DPI. Short press the DPI switch key to change, the DPI will be switched cyclically in the order of “1600/2000/4000/800/1200”.LED blinks once 800 DPILED blinks twice 1200 DPILED blinks 3 times 1600 DPILED blinks 4 times 2000 DPILED blinks 5 times 4000 DPI