2.4GHz wireless optical mouse<br />Plug and play<br />Easy to use<br />High-definition optical technology<br />2.4GHz wireless transmission<br />USB receiver included<br />Transmission distance: 10 meters<br />Interface: USB 2.0/1.1<br />Battery: 2 x AAA (not included)<br />Forward/back button: to increase the speed of browsing web pages and files<br />Support Windows 98/2000/Me/XP/VISTA/Win7 or MacOS 10.2.8 or above<br />800 - 1600 dpi<br />Color: blue <br />1 X Mouse<br /><img src="http://img6.eachbuyer.com/x1/p31/ca80_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p31/ca80_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p31/ca80_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p31/ca80_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p31/ca80_5.jpg" />