[Features]3 modes and amp; 9 levels of intensity: The wireless electric head massager adopts three modes and nine levels of intensity, sleep mode, decompression mode, and mode, you can choose the mode and intensity according to your own needs.Sleep Mode: Head Massager helps relieve tension and stress, lightweight and portable, relieves headaches and improves sleep in just 15 minutes.Decompression mode: relax your mind and relieve the stress of life and work. It is recommended that you wear it while watching TV, reading, surfing the Internet on a computer/mobile phone, staying up late and before going to bed.Mode: It can also relieve headaches, improve insomnia, and refresh sleep quality. Lightweight and convenient, easy to use, can be used in office, home, yoga, travel, beauty and health.Adjustable Headband: The high elastic headband allows you to adjust the size for a comfortable fit. Relieve headaches and get rid of insomnia in 15 minutes a day.[product information]product name:massagercolor:blackMaterial:ABSsize:145*50*38mmPacking list (you can get after purchasing one item):massager *1Please understand:1. Due to the long time, the item may be damaged during the process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you.2. Due to manual measurement, the size may have an error of 1-3cm.3. Colors may vary from monitor to monitor.