Which Bluetooth version does Nothing Headphone (a) use? March 05, 2026 06:15 Updated Bluetooth 5.4 Related articles How long does it take for Nothing Headphone (a) to power off automatically? How can I recycle my old discarded device? What is ENC? What material is the outer casing of Nothing Headphone (a) made of? Is Nothing Headphone (a) resistant to water / dust?