[Non-invasive Drug-free Pain Management : This TENS unit massager uses low-frequency pulse massager technology for deep muscle relaxation offering fast safe drug-free pain relief. It effectively alleviates pain and fatigue in your back arms neck legs or shoulders while promoting blood circulation Powerful TENS with User-Friendly Operation : This electronic pain relief stimulator unit provides 6 modes and 10 intensity levels to cater to various pain levels.15 auto shut-off function ensures safetyeven during sleep. 15-30 minutes per day for best results. Due to variations in body sensitivityfor first-time users we recommend to start with the lowest intensity level and placing the TENS unit massager on your back before activation Rechargeable Design for On-the-Go Relief : Our TENS Unit Massager is equipped with a long-lasting rechargeable battery that only requires 30 minutes for full charge. You can charge it using any USB interface such as a power bankcomputeror plug. It makes for a thoughtful gift for your parentspartneror friends ensuring relaxation anytime and anywher Adhesive Electrode Pads for Optimal Comfort : The mini back massager includes 2 pre-gelled replacement pads that firmly adhere to the cleaned skin.Soft patches can better adhere to the skin. Maintain their stickiness by washing the pads separatelybut we suggested to use 20 to 40 times.If need more padssearch B0D422DJ4V Versatile Application and Quality Assurance : This lightweight full-body electronic muscle stimulation device is suitable for shoulders neck arms waist back and legs.Avoid using on vital areas such as carotid sinus nerveschestor the head.Each package includes one massage device two electrode pads one USB cable and a user manual]