Specification: Color: Black, blue, red, silver, yellow, pink Movement Detection Technology: Optical Connectivity Technology: Wireless, USB Features: 1. Long Wireless Transmission Distance 2. Broad Compatibility 3. High Precision Optical Mouse 4. Exquisite And Fashionable Appearance 5. Scientific Design NOTE: Please note that this mouse requires 2 * AAA batteries, which is NOT included in the package. Please allow slight error due to manual measurement. Thanks for your kind understanding. Package Includes: 1 * Wireless Mouse This wireless mouse uses 2.4G wireless transmission technology, up to 10m wireless transmission, stable and smooth transmission, plug and play. This is a universal wireless mouse suitable for WinXP / Vista / Win7 / ME / 2000 / Mac OS or later The resolution frequency conversion button can realize the switching of resolution frequency (1000dpi-1200dpi-1600dpi) three speed adjustment Cartoon car shape, exquisite and cute appearance. It is a special gift for a friend and child The bottom of the mouse is equipped with a receiver storage compartment to store the pouched USB receiver