Packing Method : Box Packing Product Features : 4 Key Interface, 2 AAA Batteries (Not Included), USB Signal Receptor Dongle, 2.4GHz Wireless Transmission Frequency, 3 DPI Can Be Adjusted, Compatible With Window / Mac / Linux Product Material : Plastic Product Size : 112 x 57 x 23 mm Imprint Method : Screen Printing MOQ;100