Description: Brand: QBM Material: Food Grade ABS+TPE Vibration Frequency: 23000-28000 times/min Color: Pink, Silver Power supply: USB Charge Adaptable voltage: 1.2v Size: 184 x 18 x 18mm Power consumption: 0.3W Charging time: 10hours Working condition: 0-50?ï¾? Feature: 1. Sonic cleaning, high efficiency. 2. Changeable brush head. 3. Waterproof IPX7, non-slip function. 4. 2 operation modes(super and normal) can offer varying oral care needs. Functions: -Elimination of tartar -Whitening teeth -Disinfection & elimination of inflammatory -Eliminate peculiar smell -Reduce bleeding of gum -Restrain atrophy of gum Warning: 1. People with heart pacemakers, please do not use this product, and it can not be near these people use. 2. Do not let children touch brush head standby. Placing the old brush heads carefullly. 3. Children (below the age of 12 years) and pregnant women, the prohibition of the use. 4. Although this product has waterproof and moistureproof function, but try to maintain dry environment. Package includes: 1 x Ultrasonic toothbrush 3 x Brush head 1 x USB wire 1 x Base plate Notes: 1. The colors may have different as the difference display, please understand. 2. Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid.