Decompression Sleep Aid Micro Current Intelligent Pulse Instrument Insomnia Anxiety Relief Sleep Device This sleep aid Device uses micro-currents to stimulate cortical neurotransmitters to help people with sleep deprivation and insomnia fall asleep as soon as possible.? Features: Low-frequency pulse current microampere level, does not hurt the body's function, still helps sleep after discontinuing use, non-drug, no dependence, through the palm of the hand to pass current, avoiding the risk of direct stimulation of the brain current. Our sleep aids have two modes.? Low frequency mode (sleep mode): low frequency for soothing and relieving anxiety frequency, held in the palm of your Left hand can accelerate to let you sleep peacefully.? High frequency mode (excitement mode): high frequency for excitement and inspiration frequency, held in the palm of your Right hand can make you excited and energetic, work and study with more passion. Our sleep aid automatically stops after 15 minutes of work,so you don't have to worry about the device being in working condition all the time. Don't used with implanted medical appliances,such as pacemakers,which may cause equipment failure or trigger a hazard. This Sleep Aid Device can slowly improve sleep adjustment, But, You need to use it continuously for one week. Specifications: Material: ABS+stainless steel Charging method: USB charging Input voltage: 5V--0.5A-1A Battery capacity: 100mah Product Size: 6.6*3.5*2.3CM Package Contents:1xSleep meter Please Notes: 1,The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2,Please