LED Wireless Mouse Rechargeable Slim Silent Mouse 2.4G With USB and Type C 2 in 1 Receiver,3 Adjustable DPI for Computers, Laptops, PC,Notebook,Mac Specification: Battery:Built-in 600mAh lithium battery Net Weight: 60g Key number: 4 Resolution: 800/1200/1600dpi Product Size:110*60*50mm/4.49*2.29*0.87in Material: ABS System requirement: Windows 2000/ 2003/ ME/ XP/ Vista/ Win7/ 8/ 10/ MAC OS/ Linux etc How to use: operation steps: 1.please make the mouse powered on. 2.please plug the USB C/USB receiver into USB C/USB port of your device. 3.please wait for some seconds,mouse will work. how to turn on/off the backlight: please check the mouse bottom,there is ON/OFF/Light switch on it.please make the switch to LIGHT. mouse will have backlight,if make the swtich to ON,mouse will not have the backlight. how to re-charge the mouse In the package, it includes one pc of charging cable,please use it to re-charge the mouse. Once the cursor is delayed or not moved,please re-charge the mouse,though the mouse backlight is still bright. To save the mouse power,please turn the mouse off it mouse is not in use. Why choose our computer wireless mouse ? One mouse for multiple uses USB-A&USB-C 2-in-1 receiver is suitable for the traditional wireless USB interface, and can be easily connected to the current mainstream Type-C wireless interface. Package Includes: 1 * Wireless Mouse 1 * 2-in-1 receiver 1 * USB Charging Cable