Feature 1ANXIETY RELIEF: Handheld sleep device helps people with sleep deprivation and anxiety fall asleep quickly, helps you relax, reduces migraines, reduces anxiety and releases stress. 2PHYSICAL THERAPY: Purely physical treatment, using micro current pulses to improve sleep, without any side effects, releases stress and provides you with sleep aid. 3REGULATE BRAIN MOOD: Can properly active the hands, so that the hand brain frequency is the same, relieve anxiety, thus promoting sleep and helping you relax your brain. 43 MODES: Built in active mode, relaxation mode, and soothing mode, which is conducive to improving sleep therapy, increasing enthusiasm for work, and eliminating fatigue. 5PORTABLE DESIGN: Lightweight and in small size, designed with lanyard, easy to carry, can be placed in pocket. Can be used for study, office, home and business travel.Item Type: Sleep InstrumentMaterial: ABSBattery: Lithium battery 5v 180mah (built in) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xSleepInstrument1 x Charging Cable