Compatibility: For Braun Oral b Pro/Vitality/Smart/Genius/iO Series 6. Oral b Pro 600 650 670 690 700 760 770 790 900 1000 2000 2500 2900 3000 3900 3709 4000 5000 7000 8900 9000. Oral b Genius 8000 8100S 8500 8900 9900 9000N. Oral b Smart 1000 4500 5000 6000 7000.