Features: brand new and high quality Fan blade: designed according to the dynamic principle, the wind is for stronger and no noise. The ABS material is used, which has the advantages of impact resistance, high temperature resistance and good toughness, so that it is not easy to break and fall off when rotating. Connecting line: USB connectors are generally applicable to charging treasures, one-button switch, three-speed adjustable wind speed, more convenient to use, using high-quality copper conductors, galvanized flame retardant, and durable times of plugging and unplugging up to 1W times. Easy to use: It does not affect the secondary use, it can be disassembled for cleaning, simple and convenient, the installation is firmer and more convenient, the thread is rotated and fixed, and the frame width is 15mm. Special for air-conditioning clothing: light and quiet, strong wind, special fan for air-conditioning clothing, small size/big wind/low noise. Change the wind: create the wind, control every trace of wind in detail. Innovative design of feather, leaves,uniform and dense cutting airflow 30-degree diagonal wind,structural design to create more powerful wind. Specifications: Product material: ABS Power: 5W Voltage: 5V Product structure: double ball bearing structure Number of fan blades: 9 pieces Speed gear: three gears Charging / battery life: 10h Package Includes: 2Pcs x Fans 1PC x Usb cable note: Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.