Features: 【Intelligent Temperature Control Adjustment】Adopting high-efficiency copper tube design, the cooling efficiency is increased by 30%, which effectively solves the overheating problem caused by long-time operation of high-performances desktop computers. 【color Changing Light Effect】Built-in programmable color lighting system supports 16 million color changes, adding personalizing visual effects to your computer. 【Quiet Fan Design】Equipped with quiet fan, the noise is controlled at less than 20 decibels, which reduces the noise by 50% compared to traditional fans. Suitable for users who need a quiet working environment. 【Wide Compatibility】Support multiple CPU slot types, including for LGA 1151/1200 and AM4, easy to install without additional tools, 5 minutes to complete. 【Built-in Microphone】Provides clear and distortion-free sound with a wide range of accessories to fit a variety of screens or laptops to ensuring a quality auditory experience. 【USB port Connection】it will be automatically recognized by your computer without the need to install any additional drivers or software. Specifications: Product size:about 127MMx76MMx150MM/5x2.9x5.9in Fan interfaces: PWM 4pin Light-effect interface: 4PIN PWM (automatic streaming color) Fan size: about 120MMx120MMx25MM/4.72x4.72x0.98in Quantity: 53CFM(each) Fan speed: 800-1600RPM±10% Noise: 28±10%dBA Input voltages: 12V Product net weight: 525g Material: Metal Color: Optional Package Includes: 1PC 4PIN PWM Air Cooling Fan note: Due to the problem of lighting effect there is certain tolerances in product, please understand. Please allow 0-1cm error due to the measurement.