GARRULAX 2.4G Wireless Portable Mobile Car Mouse Optical Mice with USB Receiver for Notebook,PC,Laptop,Computer Black

Specifications: Dimensions:4.3x2.16x1.56in /11X5.5X3.5cm Weight: 2oz/59g Battery Type: 2xAAA Battery (not included) 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. 5.Cute design with LED headlight,the headlight is formed only because of light transmission,sometimes it hides inside that you cannot see it,this won't affect use. Package Included: 1 x Wireless Mouse with Nano Receiver (stored in the car cover of the mouse)