Which Bluetooth version does CMF Headphone Pro use? September 29, 2025 11:35 Updated Bluetooth 5.4 Related articles How long does it take for CMF Headphone Pro to power off automatically? What audio formats and connection methods does CMF Headphone Pro support? Why did CMF Headphone Pro not automatically reconnect to my device? Is CMF Headphone Pro resistant to water / dust? What material is the outer casing of CMF Headphone Pro made of?