Features 1.DYNAMIC DRIVE: MMCX headphones with 10mm large dynamic coil, giving you stunning sound quality, stable and can play powerful bass, so you can clearly hear a wider range of sound. 2.HIFI SOUND QUALITY: MMCX headphones earbuds distortion rate of only 1%, giving you lossless perfect sound quality, balanced air vent and master tuning, clear and noiseless sound. 3.VERSATILE: You can connect to the MMCX Bluetooth receiver to convert to wireless headphones with high sound quality. If you are a wired person, connect them to the MMCX cable to make them wired headphones. 4.NOISE ISOLATING: MMCX earbuds block noise to create a quiet space and experience immersive sound. Provides immersive sound. The earbuds are lightweight and designed to be stable and comfortable to wear for a long time without pain. 5.SUITABLE FOR HEADPHONE TYPE: Earphone cable is suitable for headphone earbuds with MMCX interface, such as: for SE215 SE315 SE425 SE535 SE846, for Logitech UE900, for AUDIOSENSE TK200 T100, for WESTONE W Series ES Series UM PRO Series AM PRO Series and for XBA A3 XBA A2 XBA H3 XBA H2 HA FX850. Specification Item Type: MMCX EarbudsMaterial: PCInterface: MMCXFrequency Response Range: 2020KHzImpedance: 12Sensitivity: 103dB and 1KHZDistortion Rate: 1%Horn Diameter: Approx. 10mm/0.4inApplicable to: For SE215 SE315 SE425 SE535 SE846For Logitech: for UE900For AUDIOSENSE: for TK200 T100For WESTONE: For W Series: for W10 W20 W30 W40 W50 W60 W80For ES Series: for ES10 ES20 ES30 ES50 ES60For UM PRO Series: for UM PRO10 UM PRO20 UM PRO30 UM PRO50For AM PRO Series: for AM PRO10 AM PRO20 AM PRO30Others: for XBA A3 XBA A2 XBA H3 XBA H2 HA FX850 Package List 2 x MMCX Earbuds Note 1. All data are measured manually, and there are certain errors in the measurement results.2. Product do not include the cable.