Product Description: 1. Compatible with Raspberry Pi 3 2 model B. 2. Significantly reduce the temperature of the CPU. 3. Almost without any noise. 4. Stable and big wind force. 5. With screws and screw nuts, easy and simple to install. Package included: 1) mini fan x1 2) heatsinks x3 About Smraza: We are a leading manufacturer of electronic components for Arduino and Raspberry Pi. We have a professional engineering team dedicated to providing tutorials and support to help you get started. If you have any technical questions, please feel free to contact our support staff via email.