99 Adjustable Speed LevelsPrecise speed control from low to high, suitable for all kinds of muscle relaxation needs.Built-in Timer Control FunctionSmart timing design for safe and scientific massage, avoiding overuse.4 Interchangeable Massage HeadsDifferent heads target various body parts for full-body deep massage.Rechargeable & Cordless DesignBuilt-in rechargeable battery, wireless use for home, travel and outdoor.Mini Portable & LightweightCompact size easy to carry, perfect for on-the-go muscle soreness relief anytime. | Cluzine | | Mini Portable Electric Fascia Gun Massager with Motor, 8 Massage Heads, Rechargeable, Timer Control & 99 Speed Levels | Gray | Best Buy