Mice & Trackballs 1.New Upgraded:Unique charging technology,built-in lithium battery2.Silent Design:The left and right click are both silence, no sound when you click3.3 kinds DPI:adjustableprovides precise positioning Item Name:2.4G Wirele Mouse& Bluetooth 5.0mouseButtons: 4 buttonsAjustable DPI Switch: 800 /1200 /1600DPIWiFi Range: 10MBattery: RechargeableCharging Cable Length: About 20cmSize: 112*60*25mm Package 1 x Mouse1 x USB Receiver1 x Charging CableNote:When the mouse cursor can't locate accurate, the mouse need to be charged.When charging, the scroll wheel is blue light.There are two models of mouse in 2.4g and Bluetooth mode, please choose the correct one Bluetooth Connection&USB Receiver Plug and Play Support Two Ddevices At The Same Time,Switching between two devices is easier.This Bluetooth wirele mouse adopts Bluetooth 4.0, which is easy to pair and connect quickly. No need for additional ports or receivers anymore, just turn on bluetooth on your device and connect it, it will connect automatically every time you turn on your computer.No need to install any driver, just plug the USB receiver into your laptop, and the mouse can start to use. Rechargeable Mouse & Built-in 300 MAh Battery Built-in durable rechargeable battery, easy to charge with the included USB cable without changing the battery. It can be used for about 168 hours after only 2 -3 hours of charging. The standby time is long, and the energy-saving function is installed, and the automatic sleep mode and wake-up mode are used to save energy. Easily recharge with the included USB cable, eliminating the need for battery changes. With 3 Adjustable DPI & High Sensitivity DPI800/1200/1600, you can change the DPI according to your different needs. 1000 is the office mouse field. This Bluetooth mouse using high-performance optical chips will be faster and more precise than traditional mice. You can improve work efficiency and save time, ideal for office, home and leisure. Silent Clicking & Comfortable Hand Feel The silent clicking mouse adopts claic design and anti-fingerprint surface treatment to provide maximum support and comfort for your hand. The mute button can reduce 99% noise, making it an ideal wirele mouse for offices, conference rooms, coffee shops, libraries, bedrooms, helping you focus on work, study without disturbing others except you. Slim, ergonomic design, light weight, easy to carry or travel.The number of clicks can reach more than 80000000 keystrckes. Wide Compatibility Compatible with Windows, iPad / iPhone (iOS 13.1.2 and above), Mac OS X, Android and Linux. Macbook, Tablet, Lenovo, Asus, HP , Surface etc. Ergonomic Design Comfortable hand -feeling