- Color: Black<br />- Material: Plastic<br />- Connection method: Wireless<br />- Operation distance: 10m<br />- Tracking method: Optical<br />- Resolution: 1000/1200/1600dpi<br />- Power supply: 2 x AAA batteries (included)<br />- OS system: Windows XP / Vista / Win7<br />- Frequency: 2402MHz~2480MHz<br />- Comes with USB receiver and Chinese manual<br /><br />                                                                                                                                Dimensions: 4.41 in x 2.09 in x 0.79 in (11.2 cm x 5.3 cm x 2.0 cm)<br />Weight: 1.62 oz (46 g)<br /><br />