and high quality. 2.4Ghz Wireless designed, optical tracking technology, working on many different surfaces and ideal usage for home, office or game. Wireless mouse, comfortable touch . Cool Design, it can be as gift for boy It works for 2000, for XP, for 7, for Vista, for 98, for OS, for ME, for 8 ,for 10, for 11... Item: Wireless Mouse Scrolling Type: Scroll Wheel Pointing Device Host Interface: USB Power Supply: 2 x AAA Battery (Not Included) Color: Black Material: plastic Package Contents: 1 x mouse 1 x receiver 1 x Chinese and English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.