Features: Material: Our head massager is made of premium quality materials and the massage tentacles are durable non-bending non-deforming and won't stick to hair or scratch the scalp. Pain Relief: With 12 massage claws in 3 levels our head massager can stimulate your scalp and hair roots promoting blood circulation relaxing the scalp relieving headaches and reducing hair loss. Easy to Use: To use the scalp massager simply place it on your head and gently move it up and down to massage your scalp. It is both economical and practical making it a great gift for friends and family. Portable: Our head massager is easy to carry providing great convenience for use on-the-go and easy storage. Use it anywhere anytime for a relaxing massage experience. Customer Service: With customer satisfaction as our first priority we offer a satisfaction service for all of our merchandise. Specification: Rated Voltage: 3.7V Working Hours: 5 Hours Charging Voltage And Current: 5V/1A Battery Capacity: 500Ma Charging Time: About 1.5 Hours Usage Time: 4 Hours Product Size: 160*160*160Mm Color Box Size: 170*170*180Mm Gross Weight: 600G Net Weight: 226G Notes: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. includes: 1*Scalp Massager 1*USB Cable 1*Manual