Feature: 1. Sunplus sensor: high precision optical sensor 2. Operating distance is up to 10m 3. 800-1600dpi high resolution(optional) 4. 4 button wireless mouse, with zoom in ang zoom out function, over 1000000 times 5. Plug and play, no need driver 6. All kinds of colors or rubber coating colors available 7. Offer oem/odm logo printing available 8. Working on any surface except glass and mirror 9. Hight quality ic components can be solid, reliable and durable 10. Competitive price, high quality wireless mouse is best to make promotion gift 11.2.4g wireless technology, receiving range: 360 degrees, ergonomic design, comfort for your right and left hands, streamline, top optical engine, nano receiver, power-saving design, automatic sleeping function, wake-it-up by click on any buttons, suitable for desktop computer and laptop Wireless mouse system: Optical mouse compatible with windows 98/me/2000/xp/2003/nt4.0/vista/7 operating systems Rated working voltage: 1.5v Rated working current: 20ma Working channel: 16 channels, automatic frequency hopping 65536 id codes for each channel Auto sleeping function, wake-it-up by click on any buttons Suitable for desktop computer and laptop Wireless mouse certificate: Ce, fcc and rohs standard Wireless mouse packing: 1pc/white box. 57.5*44*28 cms