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 mission. Colour:As Shown Material:Plastic Package Contents: 1 x Earphone Amplifier 1 x USB Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.