Features:

• controllable CPU fan with RGB LED and the tactile switch will give your Raspberry Pi significantly better thermal performance.
• 30mm 5V DC fan
• 4,200 RPM
• 0.05 m3/min air flow
• 18.6 dB acoustic noise (whisper-quiet)
• Friction-fit header
• No soldering required
• RGB LED (APA102)
• Tactile switch
• Compatible with Raspberry Pi 4 (and 3 B+, 3 A+)
• Python library and daemon
• Fan Shim Dimensions: 45x39x11mm

Includes:

• Fan SHIM PCB
• 30mm 5V DC fan with JST connector
• M2.5 nuts and bolts