Features: Sleep Aid Device: Designed to assist individuals experiencing occasional sleep difficulties, tension, or stress by promoting relaxation and supporting faster onset of sleep. Compact design delivers effective performance for daily use. Working Principle: Utilizes microcurrent technology to stimulate neurotransmitters in the cerebral cortex, helping regulate mood, calm the mind, and relax the body to support natural sleep processes. 2 Operating Modes: Low-frequency relaxation mode to help manage occasional sleeplessness; high-frequency mode to support mental focus. Switch modes with the power button, and adjust intensity using +/– controls. Compact & Portable: Lightweight design with silicone anti-slip strap for secure wear. Convenient for use at home, in the office, or while traveling. Ideal Gift Choice: Supports daytime focus for improved productivity and nighttime relaxation to help ease occasional stress and promote restful sleep. A thoughtful gift for family, friends, or colleagues. Specifications: Input Voltage: DC 5V/1A Working Power: 0.5W Battery Capacity: 500mAh Usage Time: Automatically powers off after 20 minutes; approximately 50 uses per full charge Charging Time: 1.5 hours Charging Interface: Micro USB Material: ABS + Stainless Steel Color: Gray, Orange, Blue (Available options) Item Size: 70*32*25mm / 2.75*1.26*0.98in Item Weight: 44g / 1.55oz Package Size: 120*78*58mm / 4.72*3.07*2.28in Package Weight: 144g / 5.08oz Package Contents: 1 x Sleep Aid Device 1 x Charging Cable 1 x User Manual (English/Chinese)