Dimensions: 97. 5*55. 5*35mm Adopt wireless USB 2. 4GHz technology, reach up to 10m operation distance 62. 5Kbps bidirectional wireless connectivity Less than 4ms typical latency Our 2. 4G wireless mouse use the project of CYPRESS from USA 800dpi resolution Mini receiver, plug & play function With 2*AA rechargeable MH-Ni batteries Rubber coating is available Compatible with Windows 98/2000/ME/XP/NT, Mac