UGREEN MU001 2.4GHz Wireless Mute Mouse with 4000 DPI for PC Laptop Computer - Black •4 Levels Adjustable DPI - This wireless mouse has switchable DPI levels between 1000/1600/2000/4000 to meet your special needs and improve sensitivity. Accurately restore motion under high-speed operation,perfectly supports 4K/8K high-definition display •Ultra-Quiet Mouse - With a noise-free design,the mouse is very quiet whether you are clicking buttons,scrolling or moving the mouse,it is an ideal computer mouse for offices,conference rooms,cafes,libraries,bedrooms •Slim and Comfortable - The USB receiver fits conveniently inside the slim wireless mouse,and the ultra-thin,lightweight features make the USB mouse easy to carry or travel. The ergonomic design keeps hands comfortable using all day •Long-lasting Battery Life - Using advanced process chips,with intelligent power-saving technology,the battery life is up to 18 months. The computer mouse is powered by 1 AA battery (battery not included in the package) •Wide Compatibility - This laptop mouse is easily compatible with for Windows 7/8.1/10/11/XP,for Mac OS,for Linux,for Chrome OS,Android. Works on laptops,computers,for Chromebooks,for Macbooks,tablets,laptops,and more •Note: •Only 2.4G USB connection,no Bluetooth for the computer mouse. •The USB receiver is stored in the wireless mouse. Open the cover and you'll see it next to the battery slot. •To wake up the mouse,move and click the mouse at the same time. Specification: •Brand: UGREEN •Model: MU001 •Mouse thickness: 3cm •Click the button: 3 million times •Reel: metal material,silent encoder,300,000 times lifespan •Level 4 DPI: 1000/1600/2000/4000,default is 1600 •USB receiver: 2.4G 250Hz •Distance: 15m •Battery: 1 AA battery (not included) •Connection: 2.4G wireless •DPI switching: Press the bottom DPI button to cycle through switching •System: Universal compatibility (for Windows 10/8/7,for Mac OS,for Chrome OS,for Linux,etc.) Package included: •1 x Mouse •1 x Receiver •1 x English and Chinese User Manual •Other things not included