Details 100% brand new and high qualityUSB 2.4G wireless mouse car shape; comfortable touchFree moving in 10 metersOptical sensor up to 1600 DPIReliable and receiver-free wireless connection3 buttons optical wheel mouseBuilt-in battery low LED indicatorFeatures comfortable; ergonomic designWorks on most surfaces except glassPlug and play mode; no need driverBattery Type - Power by 2 x AAA batteries (not included)Suitable for home; office or out on the road.Ideal for PC and laptop useOperation systems - Windows 98; 2000; XP; Vista; Win 7; Mac OS or laterColor - Red; Blue; Black; PinkSize - 102*54*36mm/4.02*2.13*1.42inch app. Cautions - Operation distance is cloesly related to the environment. Battery life may be different for personal habit of using mouse. In case of mouse failure; please check battery power and replace it as necessary. The mouse will shut off automatically and enter sleeping mode for saving power when it's not used for a long time; to wake it up; press the right or lef