Benefits: Reduced recovery time Increased blood flow Clears lactic acid Releases muscle knots Breaks down scar tissue Increased range of motion Features: 30-gear speed regulation. The ergonomic grip can minimize the external force. Vibration principle hammering style, strong power to massage muscles. Brushless motor technology brings more stable and comfortable experience. Independent power management system, charging and discharging more intelligent, prolong battery life. High frequency vibration, dissipation of fatigue, deep massage, relaxation of muscles, alleviate pain. Customized ergonomic massage head can provide comfortable massage experience while reducing the damage to bones and collaterals. Four kinds of massage head, according to the location of massage to choose massage head, bring a more comprehensive massage experience. The device allows the user to directly target areas of soreness and reduce pain, whilst also reducing recovery time, making it an essential product for any athlete. Adjust the frequencies according to the purpose, for warming up, soreness relief, injured muscles, muscle pain and activation, tightness relief; increase to higher speeds for larger and stronger muscle groups. Specifications: Power Charger Rated input:100~240V 50/60Hz 1A Battery --Rated Type: Li-ion --Capacity: 2400mAh Working Hour: 2-6 Hours Massager No-load Speed: 3200r/min Product Size - 18.8cm*24.2cm*6.2cm Night Weight: 1010g With Handle Box Weight: 1700g Package Details: 1 * Massage Gun 6 * Massage Head 1 * EVA bag 1 * Power Charger 1 * User Manual