Features1Relaxing deep muscles after exercise and effectively relieving your fatigue and soreness. 2Provide four modes allow you can change the strength of the massage gun according to your needs. 3Working noise is about the volume of a normal conversation, giving you a quiet muscle relaxing experience. 4The surface adopts high temperature baking paint, which toughness is strong and comfortable to handle. 5With 2000 mAh lithium battery, support USB charging, which ensure durable output power. 6Compact packaging makes it is easy for you to put it in your bag and use it anywhere.SpecificationItem Type: Muscle Massage GunMaterial: ABSBattery Type: Lithium Battery (Included)Battery Capacity: 2000mAhApplicable parts of each massage head:Flat head: Suitable for relaxing and shaping the muscles of all parts of the body.Shot head: Suitable for impacting deep tissues, such as meridians, joints, palms, plantar, etc.Ball head: Suitable for massaging arms, waist, buttocks, thighs, crus and other large muscle groups.U-shaped head: Suitable for massaging neck, both sides of spine, achilles tendon, etc.Applicable Symptoms:Neck and shoulder pain after working: Relieve chronic shoulder and neck painTiredness after housework: Relaxation from tiredness after houseworkSenile back pain: Reduce the pain of the elderly backWarm up before exercise: Let muscles warm up and full of energyInjuries during exercise: Recovering injuries during movement of musclesPost-exercise fatigue: Relieves post-exercise muscle fatigueFunction:1. Relieve the pain and spasm caused by muscle contusion, sprain and strain.2. Help the edema move in the swollen area.3. Relaxed the thickened connective tissue and fascia.4. Reduce the accumulation of lactic acid in muscles.5. Increase the flexibility of joints.6. Eliminate muscle fatigue.Taboo:1. Aneurysm, bleeding, use of blood thinners.2. Heart disease with a pacemaker or defibrillator, pregnancy, cancer.3. The internal fixation shall not be used within 3 inches of the joint within 90 days.4. Sensitive parts: head, face, cervical vertebra.5. Close to the bone of the muscle coverage position: humerus, instep, hand, etc.Package List1 x Massage Gun 4 x Massage Heads 1 x USB Charging Cable