Features: 1. Made from high-quality PP and stainless steel beads, soft and wont hurt the scalp. 2. Head scratchers and scalp massage can quickly, and effectively relax stressed muscles and may even relieve aches and pains, especially headaches and migraines. 3. It can also stimulate scalps to promote the hair growth and promote the head blood circulation. Description: Such design let you can take it to anywhere and massage your head at anywhere. Specifications: Product name: head massager material: plastic Power supply mode: USB Applicable parts: head, waist, legs, etc. Package Included: 1 * Head massager Notes:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.