The Electric Therapy Gun KH-740 is a versatile massage device designed for muscle recovery and pain relief. This portable fascial gun features multiple speed settings and comes with 4 interchangeable massage heads for targeting different muscle groups, making it an effective tool for fitness recovery and relaxation. Key features: • 4 interchangeable massage heads for different muscle groups • Ergonomic handle design for comfortable grip • USB charging capability • Multiple speed settings • Compact and portable design • Low noise operation • CE RoHS FDA certified The device comes complete with a USB charging cable and carrying box for easy storage and transport. The different massage heads include a ball head for large muscle groups, a bullet head for trigger points, a U-shaped head for spine areas, and a flat head for general use. The ergonomic design allows for easy self-massage of hard-to-reach areas.