Features1Built?in pressing feedback system, adjust the output power of the motor according to pressing force, more humanized and smarter. 2Brushless silent motor, strong power, low noise. 45db low noise design, noise reduction technology, refuse to disturb the people. 3One?piece closed sweat?proof design, equipped with a concealed wind cooling system, to reduce the direct impact of heat exhaust on the human body, and prevent machine damage caused by dripping sweat and splashing into the body. You can use it with confidence when you are sweating. 46 massage head are available for use, suitable for different areas of muscle and soft tissue, easy to replace. 5Good massage therapy effect, help improve muscle soreness and fatigue, promote blood circulation.SpecificationCondition: 100% Brand NewItem Type: Muscle MassagerMaterial: ABSPower Supply Mode: Lithium BatteryBattery Capacity: 2900mAhMode: 20 KindsFrequency: 50-60HZMotor Speed: 3200r/minProduct Size: Approx. 24.5 x 19 x 6cm / 9.6 x 7.5 x 2.4inThe function of each massage head:Cylindrical head: suitable for impacting deep tissues, such as meridians joints.Spherical head: suitable for massaging arms, lower back, buttocks, thighs and muscles.U-shaped head: suitable for massaging the neck and vertebral column achilles tendon.Flat head: suitable for relaxing and shaping various muscle parts.Finger-shaped head: suitable for all muscles such as palms and soles.Shovel shaped head: suitable for most muscle groups. Relieve vibration and prevent damage to sensitive muscles.Usage: 1. Power equipment: turn on the power equipment by mobile power, put the power switch in the ON position, press the power button once to turn on the equipment to the first level, and then turn on the equipment to the target speed level you can withstand between 1-20. Press the power button again to turn off the device. The blue LED indicator will indicate the corresponding power level.2. Massage the required body parts at the required speed as needed.3. To remove the battery, please gently press the battery release button with your thumb. Pull the battery/handle down firmly with the other hand.Note: 1. Do not touch or press the massage head during operation.2. Do not impact the joints.Fascia relaxation is generally only applicable to muscles and soft tissues. If you directly impact the joints, it is almost the same as knocking the joints directly on the stone, which may cause joint damage.3. Not all parts are suitable for use. Fascia guns are not recommended for the neck, chest, abdomen, and armpits, where the muscle thickness is thin, and the parts close to the organs and aorta.4. It is not that the longer the time, the more painful the more effective, the use body feeling should be maintained at 60%-80% soreness, and the use of the same location should be controlled within 1 minute.5. Do not use this product for infants, minors, pregnant women, persons who wear pacemakers, have broken bones, or have metal contents in their bodies.Package List1 x Muscle Massager 6 x Massage Head 1 x Power Adapter 1 x English Manual 1 x Storage Box