The RC-UE1 Replacement Cable for Earphones from Fiio is a replacement cable for in-ear headphones such as the Ultimate Ears TripleFi 10, 5EB, 5 Pro, and other similar headphones. The wiring is made by OYAIDE in Japan with high-purity pcocc-A single-core copper. The low temperature annealing process provides excellent tensile strength and durability. It also provides a high-quality signal path for terrific audio clarity. The thick, soft jacket is flexible and durable to withstand the rigors of day-to-day use. The gold-plated 3.5mm plug provides compatibility with a variety of audio devices.