JBL Signature Sound High Clean Bass. Troubleshooting steps : Kindly ensure 3.5mm port on Host device is clean and dust free and 3.5mm jack of the earphone is adequately inserted inside the input device port Noise Isolation Microphone One-Button Universal Remote with Mic Quick Launch Access to Google Assistant / Siri Ultra Lightweight and Comfortable with 3 sizes of ear tips High Fidelity Twin Cable.