USB Mini Fascia Machine Exercise Electric Impact Machine Muscle Relaxer Small Vibrations Relaxer Muscle Massager This is a very useful product to relieve muscle soreness. It can be used to warm up before exercise to prevents strain, or to relieve pain after exercise. 4 different massage heads, 32 different strength, suitable for different parts of the body. Features: Improve exercise soreness. Speed up the deep relaxation of the fascia machine, relieve muscle stiffness and soreness. Four massage heads. Sphercial: Suitable for pecetoralis major. U type: suitable for neck massage. Cone: suitable for impacting deep tissues. Such as meridian, palms, sole. Spike: suitable for each muscle part relax and shape. Strong motor with noise reduction, high intensity and low sound. Comfortable handle, hands will not get tired after long time use. Use an increased powers motor to bring strong surging powers; 3200 rpm high speed impact, relieve muscle soreness after exercise. Short circuit overload Protections. Adjust the frequencies according to the purpose, for warming up, injured muscles, muscle pain and activation, increase to higher speeds for larger and stronger muscle groups. High-effciency lithium battery, built-in pressure-sensitive feedback system. Ensure smart and lasting powers output. Specifications: Interface type: type-c Output voltage: 7.4V Battery life: 2 hours Material: ABS Display screen: LCD Color: black, red, green, grey (optional) Battery: 7.4V 2000mah Item size: 142 * 140 * 56mm / 5.6 * 5.5 * 2.2in  Item weight: 460g / 1.0lb Package size: 200 * 150 * 50mm / 7.9 * 5.9 * 2.0in Package weight: 500g / 1.1lb Packing List: 1 * Fascia Machine 4 * Massage Heads 1 * USB Cable