How to Use: Plug and play. Specification: Item Type: Earphone Upgrade Cable Wire Material: PVC Wire Core Material: 184 Core Silver Plated Copper Wire (Four Strands, Each Composed of 46 Cores, 184 Cores as a Whole) Line Thickness: Main Line Diameter: Approx. 2.7mm/0.10in Secondary Line Diameter: Approx. 2.0mm/0.08in Line Length: Main Line: Approx. 80cm/31.5in Secondary Line: Approx. 45cm/17.7in Total Length: Approx. 120cm/3.9ft (+/- 5cm) Color: Black Connector Type: MMCX Plug Technology: Gold Plated Bent Plug Suitable for Headset Type: Suitable for headset earplugs with MMCX interface such as: For SE846 UE900 SE535 SE846 For UE: for UE900 For AUDIOSENSE: for TK200 T100 For WESTONE For W Series: for W10 W20 W30 W40 W50 W60 W80 For ES Series: for ES10 ES20 ES30 ES50 ES60 For UM PRO: for UM PRO10 UM PRO20 UM PRO30 UM PRO50 For AM PRO: for AM PRO10 AM PRO20 AM PRO30 Others: for XBA-A3 XBA-A2 XBA-H3 XBA-H2 HA-FX850 Package List: 1 x Earphone Upgrade Cable Note: Manual measurement, please allow some errors.