[Tri-Mode Connection: 2.4G/BT5.0/USB-C] - Powerful 3-mode connection supports Wireless 2.4GHz / Bluetooth 5.0 / Wired USB Type-C. You can connect up to one bluetooth device, one wireless 2.4G device and one wired device. Connect and switch devices easily with the Mode Switch on the bottom. Working distance up to 33ft/10m. [USB C Fast Charge & Energy Saving] - Built-in 500mAh Li-polymer rechargeable battery, the mouse can be easily recharged via the supplied USB-C cable. 2 hours quick fully charged can be used continuously for about 50 hours. The mouse goes to Shallow Sleep Mode in 30 seconds of sitting idle to save battery, and Deep Sleep Mode in 10 mins, any move to wake up. [5-Level DPI & Rainbow Backlit] - Adjustable 5 levels DPI (1200/1600/2000/2400/4000) that allow you to freely control the mouse speed and adjust the sensitivity of the mouse. Default 1200 DPI. Press DPI +/- button to adjust. The rainbow RGB light can be turned On/Off by the Light Button on the bottom. *Please note that the backlight can't be adjust and will not change with the DPI. [Silent & Ergonomic Design] - Standard 7 buttons design. Quiet mouse adapts less noise switch for both left and right buttons, make you concentrate on your work without disturbing others beside you. Wider palm and thumb rest provides comfortable support, reduces the pressure and tension brought by long-time work to the hand. Great choice for home, office, classroom, dormitory, library, etc. [Wide Compatibility] - This triple mode optical mouse is compatible with Win, Mac OS, iOS, Android, Linux, Chrome OS systems. Support PC, laptop, iMac, Macbook, iPhone, iPad smartphone and tablet. Plug and play. No driver needed.