[Good Sleep Assistant]-- This sleep aid device uses gentle microcurrent pulses to create a calming experience, supporting relaxation and a soothing transition into sleep. Its ergonomic design and adjustable intensity levels allow personalized comfort, while the portable shape ensures easy use at home, work, or during travel. [Intuitive Dual-Mode Design]-- 1. Hold the device in your palm and press the power button to start. 2. Tap once to switch between modes: Relaxation Mode: Gentle pulses to support calmness and comfort; Energy Mode: Dynamic pulses for a refreshing boost during daytime use. 3. Adjust intensity levels with the + and - buttons to personalize your experience. [Efficient USB Recharging]-- Recharge your sleep aid device effortlessly via any USB port, power bank, or standard power source. Sleep Aid Instrument for Adults is very suitable for family or business trip use. 15 minutes a day to help you effectively alleviate sleep problems. [Portable Design]-- Compact size, lightweight and portable, sleep aid device can be easily carried whether you are at home or traveling. The sleep device is equipped with a lanyard, you can hang on your wrist to prevent dropping and breaking. [Premium Material]-- This calming device is crafted with durable materials to ensure long-lasting performance. If you experience initial unfamiliarity, it may take time to adjust to the microcurrent sensation. With regular use, most users find the handheld sleep support tool becomes more comfortable over time.