Check the listing for details. Comfortable Ergonomic Cordless Mobile Wireless Mouse for Notebook Laptop Desktop. Color: Black, Condition: New. Listed at 19.93 USD. Ergonomic Comfortable Travel-Friendly 2.4 GHz wireless Cordless Mobile Optical Wireless Mouse for Notebook Laptop Desktop Microsoft Win 1xx10/8/7/Vista BRAND NEW Select From Available Compatible Computers and Available Color This Compact Ergonomic Wireless Optical Mouse is an optical mouse designed for wireless control. It connects to your computer via 2.4GHz without the need for any cords. The integrated optical sensor works on virtually any surface. Use the scroll wheel to page up and down through documents and web pages. Additionally, the mouse runs on Only 1 AA that last for up to 16 months (Battery not included) Wireless convenience: No more wires with the reliable 2.4 GHz wireless connectionDependable power: Efficient battery life delivers up to 16 months of everyday useSilent MousePlug and play No driver neededNoiseless click and soft touch reduces 90% noise ,helping you keep stay focused on your world without disturbing others.Easy storage: The nano receiver conveniently stores inside the mouse for easy portability5-button navigation: 5 button solution and a built-in scroll wheel for optimized productivityStylish, attractive design: The sleek, Ergonomic and modernScroll Wheel, on/off switch,DPI Level switchCompatible with Window 98/2000/NT/ME/XP/win7/Win8/Win10/win11Battery is not includedUSB receiver stored in the battery back of the mouse.with on/off switch. please do not forget to turn it on before using itWhat is included: MouseNano USB Transceiver 3 Adjustable DPI Levels 3 Adjustment DPI levels (800-1200-1600) provides sensitivity and precise tracking on a wide range of surfaces. Meet your multiple needs. Travel Mouse Compact and portable design makes it easy to take around from home to office, very suitable to travel with. Ergonomic Wireless Mouse Anti-sweat and anti-fingerprint surface, Symmetric design suitable for both left and right-hand operator. USB Computer Mouse Just need a usb receiver plugs into your computer for a reliable wireless connection. No driver needed. Super easy to use. Thank you for shopping with us!