Garrulax 24G Wireless Portable Mobile Mouse Optical Mice with USB Receiver CPI Levels for NotebookPCLaptopComputer Black

Specifications: Dimensions:4.49x2.99x1.46in/11.4x7.6x3.7cm Weight: 2.15oz/61g Battery Type: 2xAAA Battery (not included) CPI: 800-1000-1200 Note: 1. The Nano receiver is stored under the back of the mouse. 2. Please kindly understand that Battery lifespan may vary with different user habit and battery capacity. 3. To ensure a better signal transmission, please confirm that there's no obstacles or electromagnetic wave around the mouse. 4. Please note if you do not use the mouse for 8 minutes, the item will go to sleep mode. After the item go back to sleep, you can press the any button to weak it up. Package Included: 1 x Wireless Mouse with Nano Receiver (stored in the back of the mouse) "How to use: 1.The USB receiver is placed in the bottom of the mouse;Take out the USB receiver, then plug the USB into computer; Prepare 2* AAA battery when you first use it(not included);The mouse and receiver will connect automatically in a few seconds. 2.If it can not go to paring mode,the mouse need to pair with the USB again:Turn off the Switch,pull down the USB receiver from computer, then plug in the USB and turn on the mouse switch again,get the mouse colse distance with the USB receiver. If not still work,Please try to put the usb receiver to other USB port of pc"