Check the listing for details. Wireless Optical Mouse Mice 2.4GHz USB Receiver For Laptop PC Computer DPI lot. Color: Black, Condition: New. Listed at 5.89 USD. Wireless Mouse for Laptop PC Notebook Windows MacErgonomic Computer Mouse 2.4G with 3 Adjustable DPI Levels6 Buttons Cordless Mouse Wireless Mice USB Mouse This is a new high-grade cordless Optical Mouse with 1600 DPI 3 adjustable levels 6 Buttons. Features reliability, ease-of-use, and user comfort. This cordless mouse gives you fast data transmission with no delay or dropouts. Auto Sleeping & Energy Saving - If the computer mouse is not used for over 8 minutes, it will turn to power-saving mode to save energy. Compact Receiver, easy to carry - The wireless tiny receiver can be inserted into the slot next to the battery slot, allowing ease of storage when not used. Wide Compatibility - Compatible with most system including Windows, Mac and Linux. 2.4 G Wireless Transmission Technology - Enjoy the fast data transmission at the convenience of wireless technology. Comfortable Hand Feeling - With special processing and advanced material, this wireless mouse makes you feel comfortable, it would be the best budget hand-friendly mouse for home & office, also be a good wireless travel mouse!. Plug-and-play, Easy to use - Simply insert the USB receiver into a USB port on your device. Then, put batteries in the mouse. That's it! ***** USB RECEIVER is UNDER THE MOUSE ***** ***** inserted in a slot next to battery cover ***** ***** MESSAGE US IF YOU CAN'T FIND USB RECEIVER ***** Compatibility Material: PlasticSize: 98*59*30mm / 3.85*2.32*1.18 inColor: Silver, Blue, Green, Gray, Red, Pink, Black, Matte BlackWireless Technology: 2.4GHz.Wireless Distance: 10m / 32.8 ftAdjustable DPI Switch: 800-1200-1600DPIButton number: 6Engine: OpticalPower Supply: 2 * AAA battery (Not Included) *****USB RECEIVER is UNDER THE MOUSE***** Package Includes 1-100 x Wireless mouse (Battery not included)1-100 x USB receiver (CAME INSERTED IN THE MOUSE)