Features: Sleep Aid Instrument: Helps individuals with sleep difficulties, migraines, anxiety, or stress fall asleep more easily. Compact design with powerful performance to support daily deep sleep. Working Principle: Utilizes microcurrent technology to stimulate neurotransmitters in the cerebral cortex, helping regulate mood, calm the mind, relax the body, and promote sleep. 2 Operating Modes: Low-frequency relaxation mode to assist with insomnia, and high-frequency mode to enhance focus. Mode and intensity can be adjusted by pressing the power button. Compact and Portable: Lightweight design with a silicone anti-drop strap for easy wrist carrying. Suitable for use at home, in the office, or during travel. Ideal Gift Choice: Use during the day to improve concentration on important tasks and boost productivity; use at night to help relieve anxiety and stress, supporting better sleep. A thoughtful gift for family, friends, and colleagues. Specifications: Input Voltage: 5V/1A Working Power: 0.5W Battery Capacity: 500mAh Usage Time: Automatic shutdown after 20 minutes; approximately 50 uses per full charge Charging Time: 1.5 hours Charging Interface: Micro USB Material: ABS and Stainless Steel Color: Gray, Orange, Blue (Optional) Item Size: 70x32x25mm / 2.75x1.26x0.98in Item Weight: 44g / 1.55oz Package Size: 120x78x58mm / 4.72x3.07x2.28in Package Weight: 144g / 5.08oz Package List: 1 x Sleep Aid Device 1 x Charging Cable 1 x User Manual (English/Chinese) Note: Due to differences in lighting and screen settings, the item color may vary slightly from images. Slight dimensional variations may occur due to manual measurement.