- Color: Black + Red<br />- Combine high-definition optical technology and fashion style; give you an efficient way to work or study<br />- Frequency: 2.4GHz<br />- 1600dpi<br />- Plug and play design<br />- Wireless range: 10 meters<br />- Powered by 2 * AAA batteries (NOT included)<br />- Comes with USB receiver<br /><br />                                                                                                                                Dimensions: 3.66 in x 2.24 in x 1.38 in (9.3 cm x 5.7 cm x 3.5 cm)<br />Weight: 1.55 oz (44 g)<br /><br />