Type: Optical MouseAnd computer connection: wirelessOptical Resolution: 1000 (dpi)Key number: 3 (Key)Interface: USBWireless transmission frequency: 2.4GHzOperating distance: 10 (m)Features: SlimColor: purple、 black、 red、 pink、 white、 blue、 greenOccasions for gifts: Advertising and promotion、 business gifts、 holiday、 housewarming、 birthday、 wedding、 awards Memorial、 fairs、 anniversary celebration、 opening ceremony、 employee benefits、 public relations planning