1- High frequency pulse technology. 2- Triple operating mode. 3- Large 200 ml tank. 4- Food grade head. 5- 360º rotating head. 6- MASSAGE EFFECT, DEEP CLEANSING, FRESH BREATH all day long. 7- Rechargeable lithium battery. 8- Memory effect motor usage. Input voltage: 3.7 V. Output voltage: 5 V. Power: 3.5WABS