- Color: Black + Grey<br />- USB 1.1 interface<br />- 2.4GHz wireless technology<br />- Carrier frequency: 2402~2480MHz<br />- Resolution: 500/1000 DPI<br />- Working range: 10 meters<br />- Working voltage: 1.5V<br />- Support Windows XP/Vista/7/IBM PC<br />- USB receiver included<br />- Powered by 1 x AA battery (included)<br />- Comes with Chinese user manual<br /><br />                                                                                                                                Dimensions: 4.88 in x 3.31 in x 1.61 in (12.4 cm x 8.4 cm x 4.1 cm)<br />Weight: 2.93 oz (83 g)<br /><br />