Shure EAC3GR 3-Foot Extension Cablefor SE110, SE210, SE310, SE420, SE530/530PTH & E500PTH Earphones (Gray) 3-Feet (91 cm). Works with SE110, SE210, SE310, SE420, SE530/530PTH and E500PTH models. Legendary Shure quality to withstand the rigors of everyday use. Gray