This handheld sleep aid device uses EMS micro-current to help you fall asleep easily and quickly, reduce stress and get better sleep quality. It has two modes, sleep mode and excitement mode, with 15 adjustable intensity gears to meet different needs. The device is made of ABS plastic and stainless steel, and is suitable for people who are stressed, anxious, and have difficulty falling asleep. It comes with a USB charging cable and an English user manual.