1. This is the product for you if you need a deep massage. If you are working in construction, nursing, sports, CrossFit, etc., or doing any lifting or physically straining job, then you need this! If you work hard, you probably have back pain, and often regular massage and most handheld massagers just donrsquot get deep enough then we recommend this massage gun for you. 2. It is quiet. Whisper quiet when compared to other massage guns. 3. Have 4 Massage Heads. The massager can activate the muscles, stimulate blood flow, greatly reduce muscle recovery time, and relieve pain. 4. The replaceable massage head allows your body to enjoy multi-angle massage.