ERGONOMIC DESINThis wireless usb mouse adopts ergonomic shape design which makes it be comfortable to grip, and the compact size makes it easy to take with you wherever you use your computer at home, office or anywhere else.PLUG AND PLAYThis laptop mouse wireless's receiver is plug and play, convenient to use and with good performance. You just need plug the USB receiver into your laptop will the mouse start to serve, and it built-in memory with smart connection.HIGH PERFORMANCEThis pc mouse aopt 2.4G wireless frequency hopping technology, with super antiinterference ability. The 250Hz high-return chip let data transmission be faster. The optical resolution is 1600dpi, and with the innovative red light technology, energy saving and power saving.SILENT OPERATIONThis wireless mouse's left and right buttons adopt a silent micro-motion design, which can help you concentrate on your work, study without disturbing others besides you.100% QUALITY ASSURANCEWe are very confident in the quality of this cordless mouse, and provide warranty or refund for it. Please feel free to reach us if you have any questions about your purchase. We will solve your problem within 24 hours. Make sure this fits by entering your model number.