Feature:1. Highfrequency beat can relieve muscle fatigue, relieve muscle stiffness, make you feel comfortable.2. High-speed noise reduction motor, strong power, low noise vibration, 3200rpm high-speed impact, relieve muscle soreness after exercise.3. 45 decibel low noise operation, quiet and gentle without disturbing, considerate and convenient for use.4. Intelligent mute chip, short circuit overload protection, quick response to commands. Large capacity lithium battery, long endurance.5. 4 professional massage heads, care for every muscle group, you can replace the massage heads according to your needs.Specification:Condition: 100% Brand NewItem Type: Massage GunMaterial: ABSPower Supply Mode: Lithium BatteryBattery Capacity: 1800mAh (Included)Size(with spherical massage head): Approx. 142 x 140 x 56mm / 5.6 x 5.5 x 2.2inHow to Use:1. Power on/off button (long press to power on/long press to power off),2. Press the power button to change gears, a total of 32 gears.3. The massage head is detachable and replaceable. When removing the massage head, just pull it out forcefully.4. Please use 5V charging device to charge.Touch control: When the product is charging, the screen displays the battery level and the number flashes. When the product is fully charged, the screen displays "99", indicating that it is fully charged.For People:Office sedentary: Effectively relieve the soreness caused by rigid sitting, and inject new vitality into work.Exercise and fitness: Fully warm up before exercise to stay away from injuries; relax muscles after exercise to relieve soreness and pain.Parents and elders: dredge the meridians, beat the back and press the waist to speed up blood circulation.Postoperative rehabilitation: Please follow doctor's guidance for details.Applicable parts of each massage head:Spherical massage head: suitable for large muscle groups such as pectoralis major and latissimus dorsiU-shaped massage head: suitable for massaging the neck, cervical spine and Achilles tendonCone massage head: suitable for impacting deep tissues, such as meridians, palms, soles, etc.Teeth massage head: suitable for relaxation and shaping of various muscle parts, deep stimulation of legs, buttocks, etc.Function:1. Pain and cramps caused by muscle contusions, sprains and strains2. Help expand and flow3. Loose and thick connective tissue and fascia4. Reduce the accumulation of lactic acid in muscles5. Increase the flexibility of joints6. Eliminate muscle fatigueTaboo:1. Aneurysm bleeding, blood diluent.2. Heart disease, with a pacemaker or defibrillator.3. Pregnancy, cancer.4. The device cannot be used.5. Head, face, cervical spine, spine and sensitive parts of the vertebral body.6. Near tibia, back of foot, back of hand, etc.7. Bone with less muscle covering..Package List:1 x Massage Gun1 x USB Charging Cable1 x English Manual4 x Massage HeadNote:1. Do not touch or press the massage head during operation;2. Do not impact the joints; massage guns are generally only suitable for soft tissues of muscles. If you directly impact the joints, it is almost the same as knocking the joints directly on the stone, and it is easy to cause joint damage.3. Not all parts are suitable for use; massage guns are not recommended for the neck, chest, abdomen, armpits, which have thin muscles, and are close to the organs and aorta.4. It is not that the longer the time, the more painful the more effective it is; the body induction should be maintained at 6080% soreness, and the use time of the same position should be within 1 minute.5. Infants, minors, pregnant women, those who wear pacemakers, have broken bones, or have metal contents in their bodies, do not use it.6. Please allow slight error due to manual measurement. Thanks for your understanding.7. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.