Amazon.com : Replacement Toothbrush Heads Fit for Oral-B Electric Toothbrushes, 8PCS, Small Round Head Refills for Oral B Handles 3756 3757 3744 3765 3709 4729 : Health & Household
Braun Oral B 3765 Genius Rechargeable Toothbrush Handle and Smart Charger | eBay
Oral-B Pro Genius 9000 (Type 3765) Blue Electric Toothbrush (BODY ONLY) | eBay