It's your pocket-sized partner, giving you the highest quality muscle treatment with unparalleled portability. Two models: key or touch., 6-speed ranging/Liquid Crystal, 32-speed ranging. Compact but powerful. Designed for maximum ergonomic comfort and unparalleled portability; quick relief and relaxation that fits conveniently in your carry-on or backpack. With 4 Swappable Heads And 32-speed levels. Maximum speed up to 3200rpm(liquid crystal). You can actually use this portable massage gun in the airport, at the gym, in the hotel lobby, or in your office without pissing off your colleagues or bystanders because this massager doesn't sound like a drilling machine.