u shaped electric toothbrush, ultrasonic automatic whitening massage toothbrush for adults and elder with 3 cleaning modes(color:green) flineve <b>u-shaped electric toothbrush</b> </br>this electric toothbrush is specially designed for adults. the purpose of cleaning the teeth is </br>achieved by the high frequency vibration of the soft bristles. applicable people: young </br>people who are in pursuit of fashion, busy people, special groups of people with </br>inconvenient mobility or the elderly, etc. if you are looking for such a toothbrush, then this </br>smart toothbrush is the right choice for you.