Product Details 

1. Material: ABS
2. Size: 20*20*20cm/7.87*7.87*7.87in
3.  Power Supply: 2*AAA Battery(Not included)
4. The 12 scratching strips are smooth and round, do not pinch the hair and hair, use it with confidence
5. One-key adjustment, multi-gear mode, free force, easy mode change
6. Intelligent pseudo-frequency vibration, free hands, relax nerve scalp