USB Fan Speed Controller 18W 5V 4A, USB and Type-C Input, Stepless Adjustment, 9V 2A Boost

USB Adjustable Speed Controller for USB Fans Key benefits and why you need this product: - Precise speed control for USB fans, allowing smoother and quieter operation compared to fixed-speed connections. - High power headroom and stable performance enable larger or higher-demand USB fans to run at adjustable speeds. - Compact, durable design with a retractable cable jack that reduces strain on USB data cables and makes connection more reliable. What makes this product stand out: - High-quality PCB and ABS shell provide stable performance and long-lasting durability. - Compact, shell-style housing that is both sturdy and space-saving for desktop or travel use. - Retractable cable socket design that accepts a Type-C cable or standard USB, simplifying connections and reducing cable wear. Main features: - Adjustable USB speed controller with a wide and responsive control range. - Maximum output power 18 W and rated power 15 W for reliable performance. - Input 5 V 4 A and maximum output 9 V 2 A to support a variety of USB-powered fans. - Dual input jack options: USB and Type-C compatible. - Simple plug-in operation for quick setup and use. Compatibility and practical use: - Fully compatible with most USB fans and USB-powered cooling devices. - Ideal for use with laptop cooling pads, car vent fans, desk fans, and mobile phone cooling fans. Typical use scenarios: - Laptop cooling: Use the controller between a laptop USB port and a cooling pad to fine-tune fan speed and noise level during work or gaming. - In-car ventilation: Connect a USB car vent fan to adjust airflow on demand without relying on vehicle power settings. - Desktop or bedside cooling: Control a small desk fan or phone cooler to maintain a comfortable airflow at night or while working. Materials and specifications: - Color: Black. - Product name: USB Speed Controller. - Shell material: ABS. - Use: USB plug-in with data cable plug-in capability. - Input: 5 V 4 A. - Maximum output: 9 V 2 A. - Maximum power: 18 W. - Rated power: 15 W. - Input jack: USB and Type-C. Package contents: - Speed controller x1.