Features:[Deep Muscle Massage Gun]Used to relieve muscle stiffness and pain, promote blood circulation, and improve the overall health of your body's soft tissue. Provide you a perfect massage and relax your body completely after a long period of work or exercise.[4 Massage Heads and 20 Speeds Change]In order to meet different needs, more precisely for different muscle groups. The user can select the pressure and speed required for massage. There are six speed levels to choose from based on comfort.[Quiet and Easy to Use]Unique silent glide technology and high torque motor of massage gun ensure no noise during operation. The ergonomic silicone handle is more suitable for grasping, providing an easy massage experience.[Long Lasting Battery]The massage gun is equipped with 2 high-quality lithium batteries, which can provide 4 hours of massage time with one charge. The rechargeable lithium-ion battery in the massager gun has a long service life.[Multi Function Design]Our massage gun built-in pressure sensor technology provides visual feedback in your massage process to ensure that your treatment course is more accurate; at the same time, the massage gun will automatically cool down at work.Specification:Product weight: 1.7lbProduct size: 4.7" x 1.6" x 5.5"Import voltage: 110-240V, 50 / 60HzInterface type: Type-C, 5V / 2AMain material: ABS (spear, massage head)Environment used: -10 ~ 40 ?, non-waterproofPower supply method: USB RechargeableNotes:1. Do not touch or press the massage head during operation.2. Do not use it in the same place for a long time.3. If you feel uncomfortable during use, please stop using immediately.4. Please do not use this product for infants, minors, pregnant women, fracture patients, people who wear pacemakers or have metal contents in their bodies.Package included:1* Mini Massage Gun4 * Massage HeadsFeatures: [Deep Muscle Massage Gun]Used to relieve muscle stiffness and pain, promote blood circulation, and improve the overall health of your body's soft tissue. Provide you a perfect massage and relax your body completely after a long period of work or exercise.[4 Massage Heads and 20 Speeds Change]In order to meet different needs, more precisely for different muscle groups. The user can select the pressure and speed required for massage. There are six speed levels to choose from based on comfort.[Quiet and Easy to Use]Unique silent glide technology and high torque motor of massage gun ensure no noise during operation. The ergonomic silicone handle is more suitable for grasping, providing an easy massage experience.[Long Lasting Battery]The massage gun is equipped with 2 high-quality lithium batteries, which can provide 4 hours of massage time with one charge. The rechargeable lithium-ion battery in the massager gun has a long service life.[Multi Function Design]Our massage gun built-in pressure sensor technology provides visual feedback in your massage process to ensure that your treatment course is more accurate; at the same time, the massage gun will automatically cool down at work.