Full Coverage: Scalp Head Massager has 10 frequency vibrating contacts, provides 360 degree massage coverage, enjoy a hands-free massage while reading, working or enjoying coffee, presses the head muscles to help relax and reduce stress and tension Four massage modes: long press the button to turn on the head massager, switch between four modes (active/leisure/beauty/sleep), providing different massage techniques to relieve stress and tension to meet your specific massage needs during the day and night . GREAT GIFT GIFT: Use at home or take it with you when you travel, easy to live a healthy and relaxing life, the soothing massager helps her/him relax after a stressful work day, a great gift option for friends and family. Auto-off safety feature: Auto-off after 15 minutes of continuous use, press and hold the power button again to restart another 15-minute massage, trade no more than 30 minutes for one use