The updated electric scalp massager can be used by both humans and pets. The massager will slide, knead, and vibrate 360 to promote blood circulation and relieve irritation. You and your pets can enjoy a relaxing massage experience with it. >>> Multi-Functions in One Button : The newest dual-purpose massager comes with a multi-function button. You can long press it to switch it on/off. And it has 3-speed levels(Forward Slow, Forward Fast, Forward Fast-Slow Alternating). Then, a short press toggles the speed level. >>> Food-Grade Silicone Massager Head : The massager has four rotating heads made of food-grade silicone, which is soft and non-irritating to the skin for a better fit. It has 96 soft massage nodes, and the tightly designed contacts simulate finger massage to soothe muscles and joints. >>> Portable & Rechargeable : The ergonomic designed massager is easy to grip. The compact wireless design is easy to carry, letting you and your favorite pet enjoy the massage anytime and anywhere! It is easy to use and comes with a USB cable. The power can last approximately 1 week on a full charge. Then it will auto shut off in 10 minutes, with no operation in case you forget to turn it off. >>> Wide Use : Can be used on kids, grown-ups, and pets as a scalp massager or full body massager to relieve aches, knots, and muscle tension.