JetTech 7500 2.4G Wireless Folding Mouse (Black) Size:11.8x5.8x3.5cm/4.6x2.2x1.3inch; Batteries:AAAx2 (NOT included) High-speed 2.4G wireless mouse smooth and flexible Works at distance of up to 10 meters Plug and Play,active tracking scanning frequency,automatic connection OOOUSE items, brand new, high quality, good packing.