Overview: Professional: Mini massager has a professional cushioning head, with a strong impact at 6000rpm, reaching 12mm deep muscles. Long Battery Life: Hammer massager is 20h battery life, ≤45 decibels, low noise, will not affect other people. Portable: Electric vibrating tool is small, light weight, and can be put into your pocket at hand, allowing massage and relaxation to truly blend in your life. Easy to Grip: Fascia tool features unique shape design, shock absorption and cushioning, comfortable to hold and prevent hand soreness for long time use. Mute: Body massager is designed with DC motor, the noise during operation is about the volume of a normal conversation. Specification: Product weight: Normal 110g enhanced 170g Function: Massage to relax muscles Power supply: USB Control mode: Mechanical Specification: Ordinary, enhanced Packing size: 10.8*7.8*15.2 Package Content : Plastic fitness equipment*1