Fangrui Product Details Usb Type C To 3.5mm Earphone: This Product Is A Converter From Usb Type C Interface To 3.5mm Headphone Jack, Which Can Convert Usb Type C Interface Into Standard 3.5mm Headphone Jack, Which Is Convenient For Users To Use Traditional Wired Headphones. Amplifier Headphone Amplifier: It Has The Built-in Headphone Amplifier Function, Which Can Enhance The Output Power Of Audio Signals And Provide A Higher Quality Audio Experience. Digital Decoder: Equipped With A Digital Decoder, It Can Decodes And Process Digital Audio Signals And Provide Clearer And More Realistic Sound Effects. Multifunctional Design: The Product Integrates Multiple Functions, Including Usb Type C Converter, Earphone Amplifier And Digital Decoder, Which Is Integrated And Easy To Carry And Use. Reliable And : The Shell Is Made From High-quality Materials, Which Is And Has Good Anti-interference Performance, Ensuring The Stability And Reliability Of Signal Transmission. Colour:as Shown Material:plastic Package Contents: 1 * Earphone Ampli