The diameter of the toothbrush interface should not be less than 6 mm The starting up of this section HX680P HX681A HX682 also is used HX6100 charging base applicable models: HX6511, HX6530, HX6710, HX6711, HX6730, HX6732, HX6733, HX6720, HX6750, HX6910, HX6921, HX6930, HX6932, HX6942, HX6930, HX6950, HX6972, HX9112, HX9140, HX9114 Applicable enamel punch model: HX8140, HX8111, HX8211, HX8255, HX8240 It also is appropriate for the ensuing goods of electrical toothbrush products: All HX3000 series: HX3110, HX3120 All HX6000 series: HX6511, HX6530, HX6730, HX6732, HX6750, HX6910, HX6911, HX6921, HX6930, HX6950, HX6972, etc. All HX8000 collection teeth punches: HX8111, HX8140, HX8211, HX8240 Part of HX9000 series: HX9140, HX9141, HX9172, HX9182 Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on. size:5x5cm Material:plastic colour:White Package Contents: 1 * adapter Only the above package content, assorted products aren't included. Note: Light and diverse displays can cause the colour of the item in the picture somewhat diversified from the real thing. The length allowed error is +/- 1-3cm.