Product Name: Oral-B DB4510NE Electric Toothbrush ◇ Contents: ① Main unit: 1 ② Brush head: 1 ③ Batteries Purchased at a store around November 2022. After purchase, due to the policy of my regular doctor, I did not use the electric toothbrush and kept it unopened at home. Since it is new and unopened, we cannot provide support for any operational defects. Please understand and purchase. #DB4510NE #P_G #Oral−B