This white microcurrent handheld sleep aid device utilizes cutting-edge bioelectric pulse technology to regulate nervous system function through gentle stimulation Equipped with smart chip control system that precisely manages current output intensity ensuring safe and effective use every time Ergonomic white casing design not only looks elegant but also fits comfortably in hand preventing fatigue during extended use Features multiple pulse mode options including deep relaxation quick sleep induction and continuous sleep aid modes catering to individual user preferences Built-in high-performance lithium battery combined with energy-saving technology provides hours of continuous operation suitable for home travel office and various scenarios Simple intuitive operation with one-button start design makes it accessible for users of all ages requiring no professional knowledge to enjoy professional-grade sleep improvement experience