FEATURES: The whisper-quiet drive and low-vibration ergonomic handle makes it comfortable to hold. And its fully customizable with interchangeable nodes for pinpoint precision. This cutting-edge massage gun uses powerful percussion massage to target knots and build-up in muscles. Its focused recovery with intensity to match even the most intense workouts. 6 level variable speed 4 interchangeable heads - U head - Ball head - small head - flat head Up to 90 minute run time 60 minute recharge time Lithium battery