Wireless mouse sports car shape with 7 color breathing LED headlight, cool gaming mouse for laptop computer, good choice for using or as gifts for family, friends, women, and menPowered by 2 * AAA battery (not included),Size: 4.05*2.2*1.39 inch,Net weight: 2.1 oz,1600 DPI,3 Buttons (Push the top cover to find the USB receiver and battery slot inside)Plug and Play, no any drive is needed;Power-saving sleeping function,if the mouse is not used for short time, it will turn to power saving mode to save energy2.4GHz wireless digital transmission,operation distance is up to 10 meters;High quality, ergonomic design, comfortable to gripSupport most operating system,Windows 98 / ME / NT / 2000 / XP / Vista / Win 7 / Linux or Mac OS and more Cool sport car shaped wireless mouse for laptop computer,with 7 color breathing LED light when using,eyecatching ergonomic design. High quality,especially designed for small hands,good choice as gifts. Mini Receiver is placed inside the top cover.Light weight enough to take it everywhere. 2.4Ghz wireless optical technology, transmission up to 10 metres operating distance. Interface: USB 2.0;Plug and play, no need any drive, works on most surfaces smoothly. Support most operating system, Windows 98 / ME / NT / 2000 / XP / Vista / Win 7 / Linux or Mac OS. With cool design and comfortable hand feeling,this wireless mouse give you special experience in using it. Powered by 2 * AAA battery (Not Included),Dimension:4.05(L)*1.39(H)*2.2(W)inch,Net weight: 2.1 oz,1600 DPI,3 Buttons. Switch Life: 5 million cycles,Automatically Power saving sleeping function. How to use: 1.Please slide the top cover backwards,then you can see the USB receiver and battery slot;Take out the USB receiver and plug into computer; Prepare 2* AAA battery when you first use it(not included);Turn on the switch,use on mouse pad,the mouse and receiver will connect automatically in a few seconds. 2.If not connect,please turn off the mouse switch,pull down the USB receiver,then plug the USB receiver and turn on the mouse switch again, press the 3 buttons(left button,right button,scroll wheel) together at same time for about 3-5 seconds. Package Included: 1 x Wireless mouse 1 x USB receiver (placed inside the top cover) 1 x Using instruction