Digital Electrostimulator Portable EMS TENS Massage, 16 Modes 10 Pads 2 Channels Rechargeable Muscle Stimulator Electro Massager for Cervical / Legs / Abdominal / Back / Neck Pain Relief 1. This device is used to relieve tension and, by sending electrical pulses through the electrodes placed on the skin to the underlying nerve fibers, it can help relieve those annoying pains, relieve tiredness and tension of the shoulders , improve sleep quality to relieve pain from your body. 2. Simultaneous dual output design for two people or two different body areas, you can use the + button to increase the intensity or the - button reduce the intensity of the mode. 3. 16 pre-programmed massage modes in a rectangular design: Massage, Acupuncture, Cupping, Tapping, Shiatsu-Deep, Massage mode on sensitive parts. 2-4 massage methods in each mode. 16 modes in total. 4. Adjustable timer from 10 to 60 minutes using T button, default timer: 20 minutes. 20 adjustable intensity / strength levels. 5. Easy-to-read animated backlit LCD screen, better view of the screen, especially at night or dark light. Internal rechargeable lithium battery: up to 4-6 hours of continuous use.