Flexible Dual-Speed & Ion Function: USB-powered with two switches for adjustable high/low fan speeds and an independent that neutralizes odors and refreshes air quality effortlessly. Advanced Dual-Channel Purification: Features a unique dual-channel oil smoke separation system that captures oil molecules into a dedicated reservoir while filtering PM2.5, dust, and harmful gases to ensure cleaner indoor air. Long-Lasting Rechargeable Battery: Equipped with a powerful 2400mAh lithium battery and USB fast charging, delivering extended operation time and convenient portability for use anywhere. Adjustable 15° Angle Design: The fan's 15-degree tilt allows precise alignment to the smoke source, enhancing smoke capture efficiency for a more comfortable and healthier cooking environment. Quiet Operation & Versatile Use: Designed for low noise performance suitable for kitchens, BBQs, hot pots, and indoor smoking areas, making versatile exhaust solutions without disrupting your space.