Due to the power consumption during transportation, it is recommended that you need to charge the massager for 8 hours to fully activate the battery after receiving it.Charge to 99 power supply does not flash to indicate full charge.If you have any quality problems, please feel free to contact us within 24 hours! As some customers prefer a more powerful massage, we have upgraded this feature. When you apply extra pressure to the massage gun for compressions, it is faster. If you need to strengthen the force, apply a little pressure, and the massage gun will automatically adjust the massage speed, deepen the massage intensity, and reach the deeper muscles.When in use,If the pressure is suddenly increased, it will cause the massage to stop. You only need to increase the pressure slightly. Long press the power button to turn on or off. It is recommended to start and run for 5 seconds before using it! It is forbidden to use it when charging.After turning on, click the power button to switch gears.You can switch gears 1-10 in turn. After that, the battery charge is displayed. Portable USB charging equipment, 6 kinds of professional massage heads to meet the needs of different muscle groups. The percussion massage gun will automatically stop after 10 minutes of continuous use to avoid muscle injury caused by massaging the same part for a long time.It's compact and 555g, and can be put into your carry-on bag, so it's convenient to carry around and massage your waist and calves after a day's running outside, and quickly eliminate your fatigue. The main effect of massage gun is to relax muscles and fascia, which can help people who exercise for a long time to recover from muscle fatigue quickly and maintain sports performance. In addition, if muscle tension is caused by standing for a long time or sitting for a long time, you can also use a fascia gun to help your body relax.