Color:White Broad Compatibility: This electric toothbrush charger is compatible with Braun Oral-B: S12 S18 D12 D10 D16 D17 D18 D19 D20 D29 D34 D36 D12013 D12013w D12523 series 0C18 OC20 3709 3728 3737 4736 4717 4729 8850 3756 Pro 700 1000 2000 3000 4000 9000 Specifications: Model:HF-O-01 Plug type: US Voltage: 110V-240V Output: 3.7V 40mA Power: 0.9W Net Weight: 110g Size: 64mm52.5mm36.5mm Cable Length: 1.2M 4ft Color: White Common problems if the charger does not work: 1: It is possible that socket problems not impossible. 2: It is possible that the charging indicator light is broken so dont flash. 3: Electric toothbrush internal parts is broken or internal battery has reached its service life This will need you to take to repair. 4: Need to install electric toothbrush when charging arranged vertically makes the bottom of the contact with the charger entirely. 5: Toothbrush doesnt work may be you just buy or for 1 to 2 months did not use this product of the toothbrush to charge at least (15-30) hours or more electricity. ( Use 110 v voltage charge need to more than 30 hours Use 220 v voltage takes more than 15 hours to charge ) NOTE: Although our products support 110V-240V but the standard of the plug is the United States other countries need to be installed and replaced before it can be used. We cannot list all models of Braun Oral-B electric toothbrush If you are not sure if this electric toothbrush charger is compatible with your Braun Oral-B electric toothbrush models please read from our product picture or you can contact us.