6 Super Speed High Frequency Vibration:The muscle massager can effectively reduce muscle stiffness and pain, increase blood flow and range of motion, and improve the health of the body's soft tissues. Meet different needs, meet your various muscle relaxation and defeat lactic acid, refuse pain • Long Battery 2000 MAH,Gets Fully charged in just 3Hrs;The cordless massage gun is digital LED display with touch switch, you could increase or lower the different gears clearly.Fully Charged Massage Gun will last upto 4-5 hrs (depending upon use) • The New Age Recovery Massage Gun goes up to 3300 RPM, allowing for maximum muscle relief • Deep Tissue Massager adopts high-quality 12.5V brush-less motor,ultra-strong heat dissipation,quite glide noise reduction technology that bring high power but low noise.