The Bob & Brad® EM-19 Deep Tissue Percussion Massage Gun offers soothing, deep-muscle massage anytime, anywhere. It was designed by two physical therapists to ensure maximum performance. The massage gun offers 20 speed levels to help users relieve their stress and pain. It comes with 6 different massage heads to provide a targeted treatment for muscle groups. It is Quiet and Powerful! It is equipped with a high-power brushless motor and dual-bearing technology. The speed range of 1200 - 2600 RPM enables this massage gun to penetrate 10 mm deep into the muscles for a soothing massage. This massager features a built-in smart chip to prevent the unit from overcharging and overheating. It features simple user controls. A Power On/Off button is featured on the main control panel along with 2 buttons to increase or decrease massager speed. Two LCD displays show the speed level (1-20) and battery power percentage (20-99) A sleek carrying case is included for complete portability.