JBL Signature Sound Lightweight and Comfortable : The 3 sizes of ear tips (S,M,L) that are included allow you to choose a size that gives you the most comfortable listening experience even for longer listening periods 1 year manufacturer’s warranty. Cable Length: 1.2M JBL Signature Sound. Frequency range:20-20kHz,Driver sensitivity:100±3dBSPL, 1mW,Maximum SPL:5mW Extra Deep 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 Cancelling Microphone One-Button Universal Remote with Mic