Sonic Electric Toothbrush Replacement Heads for ZR-501 & ZR-101 Electric Toothbrush 4 Pack release your fingers when the

release your fingers when the motor start working and the device spins stably

5h Standby Time: 4 Months Use Time: 45 Days Weight: 32g with strap(14g

Chinese (simplified)

Build-in Apps for Work and Life

Sonic Electric Toothbrush Replacement Heads for ZR-501 & ZR-101 Electric Toothbrush 4 Pack release your fingers when theProduct Features: Sonic toothbrush head: More effective oral health and massage with plaque along the gumline and deep between teeth than a manual toothbrush. The sonic toothbrush head was made of high quality material which was made in the USA. Makes you use it safely. Encourages replace the brush head every 3 month to help prevent bacterial hyperplasia. Compatibility: ZR501 (HHI 526364) or ZR101 (HHI 526368) electric toothbrush. Product