Product name: Head massagerProduct Model: HD-01Product size: 72*1*13.5cm/28.35*0.39*5.31 inchesBattery capacity: 2000mAhRated voltage: 5VOperating voltage: 3.7VRated power: 5WTechnique upgrade: imitation human hand therapy "kneading, pressing, pushing, grasping" massage techniques such as old technicians kneading for you, away from brain fatigue, kneading headache pressure.6 area massage: Perform area massage, knead the tired points, decompress and release, happy mood.Wrap hot compress: graphene fast heat, focus on hot compress around the eye, easy to disperse the fatigue of the whole day.Four modes: Unlock variety and comfort. Mode 1 Gently helps you sleep, empty your mind, and let you fall asleep easily; Mode 2 is invigorating, allowing you to wake up your mind between work; Mode 3 travel pressure relief, suitable for business travel to reduce fatigue; Mode 4 Rhythm rhythm, free decompression happy mood.Eye visual hole design: double row hollow brim design can block the light, but also can detect the dynamic around at any time, add a sense of security.Low noise operation: Upgrade noise reduction design, reduce deflating noise, do not disturb others, gently coax sleep, sleep easier.