Yannovus specializes in innovative consumer electronics, including portable high-speed turbo fans and motion-sensor LED lighting solutions for modern lifestyles.
Yannovus is a consumer electronics brand recognized for its practical and innovative lifestyle products. Its core focus centers around advanced portable cooling devices, such as multi-functional handheld turbo fans equipped with stepless speed control, high-capacity batteries, and smart digital displays.
Furthermore, Yannovus produces versatile indoor and garage lighting solutions, including motion-sensor magnetic ceiling lights designed for convenience without the need for hardwiring. With a strong emphasis on portability, durability, and user-centered design, Yannovus aims to improve everyday comfort for commuters, students, and home users alike.
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Fully charge the device using the included USB-C cable until the LED display shows 100%. It is recommended to use a 5V/2A adapter, and a full charge typically takes approximately 3 hours.
Always power off the device before cleaning. Use a soft, dry cloth to clean the exterior and a soft brush to clear dust buildup from the intake and outlet vents. Never expose the fan to water or harsh chemical cleaners.
The battery is likely critically low. Connect the fan to a compatible wall charger for at least 3 hours. If the screen is blank, charging the unit will restore display functionality.
Yannovus generally offers a 24-month product support period for its electronic devices like the S19 portable fan. Reach out to Yannovus support with your original order details for technical assistance or replacements.