1. Power supply mode: USB cable charging 2. Use time: 5-10 minutes 3. Gear adjustment: 3 gears 4. Part of use: head 5. Frequency of use: 2-4 times a day 6. Nursing cycle: 15 days/period 7. Material: ABS+silicone 8. Size: 18x4.5x3 cm 9. The massage comb has 28 soft massage contacts, with vibration, color light care massage function 10. The vibration frequency is 6000 rpm, which helps to wake up the scalp and relieve stress
