【Advanced Microcurrent Technology】Utilizes cutting-edge single physical pulse microcurrent technology for a safe and side-effect-free sleep enhancement experience. 【Versatile Operation Modes】Features three distinct modes - Sleep, Relax, and Energize - each with six adjustable intensity levels to cater to various needs and preferences. 【Smart Auto-Off Timer】Equipped with an intelligent timing system that automatically shuts off after 20 minutes, ensuring safe and worry-free usage. 【Portable Design】Lightweight silicone wristband design makes it perfect for business trips, power naps, and nighttime use. 【Long-lasting Battery Life】110mAh battery capacity provides an impressive standby time of up to 20 days, ideal for extended use without frequent charging. Specifications: Battery Capacity: 110mAh Charging Port: Type-C Working Current: 0.4-3.3mA Standby Time: Up to 20 days Default Working Time: 20 minutes Material: Silicone wristband