2.4G wireless mouse, wireless optical mouse with 100DPI, CE&ROHS approved Name: wireless mouse Size:93*64*36mm Material: Plastic Batteries:1pc AA(Can used be more than2000 hours)Color: Blue with silver or any color as customer requested Logo: print available Function: mouse, page up and down Technology: RF 2.4G DPI(400,800,1200) we can adjust by ourselves