luggage / luggage accessories / travel comfort kit 1. Sleep Aid Security: This sleep aid device uses purely physical technology, with no chemical components, no side effects, and no dependency, providing you with a safe and reliable sleep assistance solution. 2. Dual Mode Adjustment: This device features two modes, sleep and excitement, and supports precise intensity adjustment across 15 levels, clearly displayed on an LED screen, catering to your specific needs based on your condition. 3. Easy to Use: This product is designed to be lightweight, weighing only 0.1 kg, with compact dimensions that are easy to hold. It uses intuitive button control, allowing you to change modes and levels with a single touch, for easy use anywhere and at any time. 4. Convenient Charging: This portable sleep device is equipped with a built-in battery that supports USB charging. A single charge allows for continuous usage of 1 to 3 hours, meeting the needs of multiple daily uses, making it very convenient for everyday use. Product Name: Sleep Aid Device Color: Green Power Supply: USB Charging Power Source Type: Built-in Battery Display Mode: LED Control Type: Button Battery Life: 1 to 3 hours Dimensions: 10x9x4 cm Weight: 0.1 kg