NEW/OPEN BOX (SEE PHOTOS) * [Quick Pain Relief] The deep tissue massage gun has a high penetration force of 16mm, up to 9800 rpm, which effectively relieve muscle fatigue and pain, promote blood circulation, relieve lactic acid, and let you enjoy the comfortable experience brought by deep tissue massage gun, so as to restore the best state of your body. * [99 Adjustable Speed Levels] For different muscle soreness problems, the deep tissue massage gun is equipped with 99 speed levels, from low, medium to high, and you can find the appropriate amplitude to alleviate all muscle soreness problems. * [10 Professional Massage Heads] Muscle massage gun with 10 replaceable massage heads, not only helps users relax various parts of the body, but also is easy to disassemble and clean, making it very suitable for back massage, neck, arm, leg and muscle massage. * [Portable and Quite Massage Gun] About 35- 50dB working sound level, It can be easily used at home, office, gym.