... wireless mouse3,Connector: Mini USB Receiver, 3keys, 1 scroll wheel.4,Sleep mode for saving power5,Colors :all,customized6, ... ME or MAC etc.Working Currencyabout15mA Working VoltageDC3.0V Mouse ColorCustomized Surface TreatmentVarnish, Matt, Rubber Lacquer or Customized We ... are professional in making optical mouse and wired mouse ,focus on product' quality and service .supply ...