Features: Transform your device cooling setup with this USB to 4Pins power cable, designed to convert 12V/9V/5V adapters into efficient cooling . Featuring a 4Pins connector with 22AWG wires, this adapter supports multiple voltages inputs (12V/9V/5V) and ensures stable power delivery . Ideal for administrators, PC builders, and enthusiasts seeking customizable cooling configurations for routers, gaming rigs. Perfect for home offices where cooling is needed, server rooms demanding auxiliary fan setups, or handmade projects converting old chassis fans into USB powered ventilation systems. Engineered with safety designs, this cable automatically suits fan voltages requirements (up to 12V) to forestalling burnout while enabling flexible deployment of cooling accessories across heat sensitive devices. Specifications: Product name: Short body USB male pair 2510-4P female shell male terminals Wire model: 2464-22 outer diameter 3.5mm Copper wire specifications: 17/0.15x2C Outer: PVC outer skin Length: 0.3 meters/0.5 meters Change the chassis CPU fan/router to USB interfaces for power supply Applicable to: computer modification | router cooling | NAS power supply. There perhaps slight errors in manual measurement specifications. Please refer to the actual product. Package Includes: 1 piece usb male to 4p power cord note: Please allow 1-2cm errors due to manual measurement,please make sures that you do not mind before you order. Due to the differences between different monitors, the picture may not reflect the actual color of the item.