Sqrmekoko Wireless Upgrade Cable for Shure SE215 SE425 SE535 SE846 UE900 Earphone Inline Mic Remote Audio Cord for iPhone Andriod New Design Wireless Line, no need jack connect to your cellphones, just use bluetooth to conncet.The remote control allows you to Volume Up/Down, Call On/Off, Song Next/Last Excellent Sound Quality: conductor is using 99.999% (5N) Purity OCC, Cable made by Matched Crystal(MC) Metal and Silver Plated Core, with 24K gold-plated jack, increasing the core line number can improve the sound quality and high frequency resolution, enhanced sound field. Providing lnline Microphone and Remote Controls for music-enabled phones and portable devices. Fit for Shure SE215 SE425 SE535 SE846 UE900 Earphone, made your earphone to bluethooth/wireless earphone. Package included: upgrade cord*1.(earphone not included)