Experience reliable performance, userfriendly operation, and enhanced convenience with this advanced device. Designed to meet a variety of needs, it offers intelligent control, clear information display, and quiet operation, making it ideal for everyday use in multiple environments. Key Features and Benefits Intelligent chip control with multiple operating modes, allowing you to adjust settings to match your specific requirements with precision and ease. Energyefficient digital display with a large screen that shows power levels and mode settings clearly for quick status checks. Ultraquiet design with bedroomlevel noise reduction, ensuring minimal sound even from as close as half a meter away, so you can work, rest, or sleep without disturbance. capacity 700 mAh lithium battery (available only in model YSQ750i) for extended use without frequent charging, plus builtin automatic shutoff protection when the battery runs low. Practical Applications 1. Ideal for bedside use where noiseless operation is essential for restful sleep and a peaceful environment. 2. Suitable for office settings, allowing you to maintain focus with zero audio distraction while still monitoring status on the clear display. 3. Convenient for travel or outdoor activities with portable batterypowered functionality in the YSQ750i, removing reliance on constant external power sources. Specifications Control Method: Intelligent chip with multiple modes Display: Energysaving digital, large format for easy reading Noise Level: Bedroomgrade, virtually silent at half a meter Battery (YSQ750i only): 700 mAh lithium, automatic lowbattery protection Compatibility: Designed for versatile or professional use Performance: Stable, efficient, and useroriented With its combination of smart control, clarity, quietness, and portable power, this product stands out as a dependable solution for those seeking both performance and comfort in one device.