جهاز مساج 【6 Levels Adjustment】This Deep Tissue Massager with 6 levels for selection, from low to high, meeting different needs, you can choose the ideal speed for muscle relaxation. Helps relieve muscle stiffness and soreness, improve the overall health of the body. 【8 Replaceable Massage Heads】8 Replaceable Massage Heads: 8 Massage heads in different shapes are included, U head, Small round head, Ball head and Small flat head, which is designed for various body parts,treat all kinds of body troubles,suitable for body fat,muscle rigidity, cervical vertebra strain,back pain. 【Simple Operation & Long Working Time】Percussion muscle massage gun is easy and convenient to use,with on-off control. Long press the button for about 2s and short press for 1s to adjust the speed, very simple to handle. Rechargeable lithium battery, make it can be used for 4 hours. 【Display Screen & Keep Silent】The screen of this muscle massage gun can help you learn the speed quickly and adjust easily. Make little noise when massaging and give you a powerful massage experience with high speed and frequency.Unique non-slip design handle, easy to carry and grasp, more comfortable to hold for your enjoyment.