- Color: Silver Grey<br />- ABS housing material<br />- Can work in the air & on the desktop<br />- Frequency: 2402~2480MHz<br />- Working channels: 79<br />- Operating range up to 10 meters (360 degrees)<br />- Resolution: 800DPI<br />- Auto power-off after one minute without operation<br />- Supports Windows 2000/XP/Vista/7<br />- Powered by 2 x AAA batteries (included)<br />- Comes with USB 2.0 nano receiver<br /><br />                                                                                                                                Dimensions: 3.74 in x 2.17 in x 0.87 in (9.5 cm x 5.5 cm x 2.2 cm)<br />Weight: 1.48 oz (42 g)<br /><br />