MU006 Features: 6 Level DPI 4000 max Full-size Ergonomic Shape 5 Mute Buttons+ 3D Scroll Wheel 99% Silent Clicking Bluetooth 5.0 + 2.4G Wireless Connection Bluetooth5.0 & 2.4G Dual Mode Connect to 2 computers at the same time and switch easily. This mouse has two modes: Bluetooth and 2.4G, so it supports connecting 2 computers at the same time. One computer is connected through the 2.4G mode USB receiver, the other is connected through Bluetooth, and can be switched between 2 computers by pressing the switch button at the bottom of the mouse.1-Level DPI : 800, Mouse cursor moves very slowly, suitable for precise drawing 2-Level DPI : 1200, Mouse cursor moves very slowly, suitable for precise drawing 3-Level DPI : 1600, Mouse cursor moves slowly, perfectly suitable for daily office use 4-Level DPI : 2000, Mouse cursor moves at normal speed, suitable for 2K display/screen 5-Level DPI : 4000, Mouse cursor moves at fast speed, suitable for 4K/8K large display/screenThe ergonomic wireless mouse follows the natural curve, adopts soft rubber grips and a broad palm area, plus the sculpted sides to give some extra grip, greatly enhance comfort and relieve shoulder or wrist strain after long-time work.Left button, Right button, Middle button(Scroll wheel) Indicator light, Forward / Backward key, Key for switching DPI/ Operating SystemThis mouse for laptops with a noiseless design that can reduce 99% of click sound and realize 40dB noise reduction, which is super quiet whether clicking a button, scrolling or moving the mouse, making it an ideal computer mouse for office, conference room, cafe, library, bedroom.15m Long Range Wireless Connection Bluetooth 5.0 & 2.4Ghz USB Nano Receiver provides a strong wireless connection from up to 15 meters. Note: the USB receiver is stored in the mouse. Open the cover, and you will see it is beside the battery slot.Auto Sleep Mode The smart power-saving chip and 10 minutes auto-sleep mode help to improve the battery life of this cordless mouse up to 18 months.