Rechargeable muscle massage gun with 6 replaceable massage heads and LCD touch screen from Rako. Helps relieve muscle soreness and stiffness, promotes blood circulation, improves range of motion, and helps speed up warm-up and recovery. 5 Different vibration speeds each speed has its own massage mode. Battery capacity is 6000mAh, the charging time takes 3 to 4 hours, and it works for about 6 hours.