ultrasonic electronic toothbrushes
1. Portable ,clear ,healthy design. 2.Sound waves shaking. 3. Can use at any where and any time. 4.Perfecting tooth.
Specification
| Feature: | 1. Portable ,clear ,healthy design. 2.Sound waves shaking. 3. Can use at any where and any time. 4.Perfecting tooth. | ||||||
| working frequency: | 25000HZ | ||||||
| working current: | 120mA | ||||||
| electrical rotational speed : | 12500+-15 revolutions/minute | ||||||
| unit weight: | 30g | ||||||
| Unit Size: | 162*20 mm | ||||||
| battery: | AA1.5V X 1 | ||||||
ultrasonic electronic toothbrushes
