LinkBand Electric Toothbrush Charger Replacement for Braun Oral-B Technical Specifications : Plug type: US plug Material: Environmental friendly ABS material Type: Braun Oral - B 3757 Voltage: AC 110 - 220V Power: 0.9 W Cable Length: 3.9ft/1.2m Color: White Compatible model D12 S12 S18 D10 D16 D17 D18 D19 D20 D29 D34 D36 OC18 OC20 D12013 D12013w D12523 series Professional 500, 600, 1000, 2000, 2500, 3000, 4000, 5000, 7000; 3709 3728 3737 3756 4736 4717 4729 4733 6500 8000 8850 8900 9000 9000s Package Included : 1 x Electric Toothbrush Charger Base for Braun Oral B Warm Tips 1>Please unplug your toothbrush from the charger when fully charged. 2>If your toothbrush unused for quite a while, please get it fully charged before use. In this case, charging suggested period is at least 15 to 30 hours.