Specification:1. Model number: i7202. Wireless technology: 2.4G3. Wireless distance: 30m4. Power supply: 2*AA battery(included)5. Number of keys: 6keys6. Optical resolution: 1000-1600-2400DPI7. Color: Black8. Weight: 96.5g9. Item size(L*W*H): 11.4cm*7.6cm*4cmFeatures:1. 30M wireless transmission    Reliable 2.4G wireless connection, with strong anti-interface chip, working distance can be up to 30M.2. Adjustable resolution,1000-1600-2400DPI adjustable, to meet different game needs.3. Ergonomic design, can prevent carpal tunnel syndrome.4. USB NANO receiver, plug and play, and there is a slot place in the mouse for the receiver to store.5. Intelligent power saving system, when not uses in 5mins will enter auto sleep mode.Package included:1 * Mouse