Put on the ear clip lightly press and hold the switch for a seconds. after than time can be adjusted for 5 to 30 minutes at the same time the power can be adjusted as per the usage needs or users preferences. no side effects, quick effect, green safely stimulating the muscles to eliminate fatigue is to low frequency weak no harm to the human body stimulate your tight muscles and sensory nerves so that your muscles and nerves can relax to sleep aid. Fits easily into most backpacks and even clothing pockets then we need to break small in you can arrange and the same time. small in size.
Can’t sleep? You need this
