Main Features ?? Designed by WAIGUACP, it has passed dozens of manuscript revisions and appearance proof ?? Produced by AKKO, it has passed multiple color modulation and hand feel test ??Creative hamster shape, add fun to the typing process ??Skin-like texture, comfortable hand feeling ?? Support up to 4000DPI, precise location ?? 2.4GHz wireless connection, break the limitation of messy cable ?? Powered by one AA battery ( not included )