Are you an athlete, a bodybuilder, or just someone with mild to moderate chronic pain? Even people sitting at a desk using a computer every day can experience severe muscle pain. It's time to get some relief with this Skyndi Tens 16-Mode Massager. This feature-rich portable device can be used for pain relief and therapeutic purposes practically anytime and anywhere. Use it while resting at home or sitting in bumper-to-bumper traffic for some sweet muscle relief right when you need it. How to choose 16 modes: 1.The "M" cycles through the 6 big modes, the silver middle button allows choices (from 2 to 4 varieties) within that mode, totally 16 small modes (1.Lateral palm kneading 2.Flat palm kneading 3.Crosscut fist kneading 4.Vertical fist kneading 5.Acupuncture 6.Moxibustion 7.Acupuncture kneading 8.Rubbing reduction 9.Tapping 10.Fibrillation massage 11.Lifting-pinching manipulation 12.Vibrating manipulation 13.Thai massage 14.Shiatsu 15.Sensitive Parts Massage Mode 1 16.Sensitive Parts Massage Mode 2) 2.The "T" cycles through times from 10-60 minutes, and the "+ & -" change the pulse strength. Every time you change modes, the strength resets to the minimum which make sense because you don't want to accidentally start with the strong or the high mode. Whats Included: 1x Electric Impulse Massager 2 Pair of self-adhesive conductive reusable gel pads (4 pcs pads - 2 Large & 2 Small) 2x Electrode Wire Sets 1x Mini USB Charging Cable 1x AC Adapter (110V-240V) 1x Pad Holder 1x Operating Manual 1x Acupuncture placement point chart