Excellent service: Massage gun promise a one-year warranty. If you have any questions about the product, please feel free to contact us via the station letter, and we will reply to your information online 7/24 hours. More speed option:Muscle massage gun has 20 speed options, digitally adjustable pressures which can be additionally adapted based on how hard you press. Updated massage heads: Back massager with 8 attachments has different features ,especially newly upgraded stainless steel massage heads can be used with essential oils,offers the balance of convenient Massage, relieve body soreness and body care. Advanced design:Massage gun handheld has ABS material with Innovative side screen design ,easy to adjust the speed at any time during use .which can be used in the gym, office or outdoor with less weight and low decibels. You will like this product, and your relatives and friends will like this gift even more. Pain relief:Percussion massage gun pinpoint specific areas, lots of power of the Accessories to dig deep into muscle tissue.relax your neck, shoulders, back, legs, arms, thighs, or full-body with a comfortable massage therapy. Made a world of difference for your daily regimen, like having a personal masseuse to resolve those after-workout aches and soreness.