Power source Battery Powered Material Polyethylene Terephthalate Specific uses for product Anxiety Product dimensions 10L x 10W x 10H centimetres Product benefits Blood Circulation,Stress Release,Stress Relief 14 Vibrating Contacts for Head Massage--Featured with 14 vibration nodes all around your scalp to massage your head, helping relieve your tension and pressure. Just please enjoy what you are doing while head scalp massager takes care of your stress and anxiety, and offers you a peace mind. 5 Massage Modes for Scalp Massage-- octopus scalp massager offers 5 different modes to meet your needs. Vitality mode: For mood lifting, anxiety & stress relief. Leisure mode: For Relaxation & calmness. Beauty mode: Promote blood circulation, for a healthier scalp. Soothing mode: For fatigue & dizziness relief. Sleep mode: For insomnia & deep sleep. Each mode is programmed with a specific massage intensity and massage level to suit your preference. High Quality, Wireless & Rechargeable--Made of highly elastic, durable PET material, which makes our product compact & lightweight, but high-quality. And it is super portable, with cordless design and a rechargeable battery inside, you can enjoy your time anytime, anywhere you need. This head massager will automatically shut off after 15 minutes, please turn it on again if you need more relaxation. An Ideal Gift-- octopus scalp massager is a perfect gift for your family and friends, or just enjoy one for yourself. It is safe and effective for those who have sleep problem, have too much pressure and stress, or in a bad mood. Please feel free to contact our customer service if you have any questions.