Best for promotion gift. The floater can be customized as request. Various kinds of color liquid selection. High-precision optical sensor. Ergonomic design for comfortable handle. Plug and play, compatible with Win98/ME/2000/XP/NT. Specification: Buttons 3 buttons with scrolling wheel Connector PS/2,USB,U+P Performance optical sensor Resolution: 400dpi or 800dpi Working voltage: 5V Working current: 50-60mA Stand-by Current: 17-30mA Color option: pearl white,yellow, blue ect Cable: 1.5m EMI & Safety FCC, CE Mouse Size 115(L)X62(W)X38(H)mm Packing Dimension Gift box:140(L)x95(W)x42(H) mm N.W.: 9.3 kg Carton:500(L)x275(W)x298(H) mm G.W.: 10.1 kg 60pcs/CTN Capacity of Container 20 feet: 33000pcs 40 feet: 66000pcs