Rechargeable Hand- Sleep Instrument Soothing Decompression Sleep Aid-current Insomnia Features: [Relieve Insomnia & portability]This uses-currents to stimulate cortical neurotransmitters to help people with sleep deprivation and insomnia fall asleep as soon as possible. At the same, it has the function of relieving migraines, relieving anxiety and releasing stress.This sleep has weight,small size and easy portability,So it can be used in the office, home and business trips. USB charging is very convenient. [Low Frequency Microcurrent ]Low-frequency current microampere, does not hurt the body's function, still helps sleep discontinuing use, non-drug, no dependence, through the palm of the hand to pass current, avoiding the of direct stimulation of the brain current. [Two Frequency Modes] Our sleep have two modes. Low frequency mode (sleep mode): low frequency for soothing and relieving anxiety frequency, in the palm of your can to let you sleep peacefully. High frequency mode (excitement mode): high frequency for excitement and inspiration frequency, in the palm of your Right hand can make you excited and , work and study with more passion. [Important Notes&Easy to operate] Our sleep aid automatically stops 15 minutes of work,so you don't have to worry about the device being in working condition all the.To work again please turn it off and on again.As each person's stimulation strength of the current is different, please adjust the of the current and the position of the hand grip to achieve their most comfortable. [Warning] Don't used with implanted appliances,such as pacemakers,which may cause equipment failure or a hazard. This can slowly improve sleep adjustment, But, You need to use it continuously for week.For with sleep problems, sleep device this is a good gift. Product details: Item Type: Sleep Aid Machine Material: ABS Built-In Battery: Lithium Battery 150mAh Instructions for Use: 1. to sleep aid mode (relax) or excitement mode (active) at the bottom. 2. The protruding part of the electrode faces the palm of the hand, and the palm touches the periphery of the protruding electrode to form a current loop. 3. Turn on the side knob, and gradually adjust to the gear that you are comfortable with. Package List: 1 x Sleep Aid Machine 1 x Manual 1 x USB Cable