Effect Audio Studio "Crystal" Black oyaide straight Westone Upgrade Replacement Cable for UE Custom, Westone 4R, UM3XRC, UM2XRC ColorBlack, Length120cm WarrantyNinety days( Once for repair or exchange excluding initial failure. You need to pay for shipping. And we can do for profit after the ninety days. Compatible modelsUltimate Ears UE Custom, Westone 4R/UM3XRC/UM2XRC, JH Audio, Heir Audio, Aurisonix, Earsinics Material4X 5n-OFC (Oxygen-free copper) Silver plated wire with a Teflon insulation. + 24K Gold plated copper pin connectors and WBT 4% silver solder PlugOyaide Straight