Song's Audio Universe PRO 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 modelsSE535, SE425, SE315, SE215 Ultimate Ears UE900 Material6X Silver-plated Super Annealed High Purity Copper Stranded Wire in Spiral Weave with a Transparent Insulation+Gold Plated Copper Pin Connectors PlugSwitchcraft 3.5 gold plated straight plug