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, allowing users to use traditional wired headphones. Amplifier headphone amplifier: It has a built-in headphone amplifier function, which enhances the output power of audio signals and provides a higher quality audio experience. Digital decoder: Equipped with a digital decoder, it can decode 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, making it compact, easy to carry, and convenient to use. Reliable construction: The shell is made from high-quality materials, durable and with good anti-interference performance, ensuring the stability and reliability of signal transmission. Color: As Shown Material: Plastic Package Contents: 1 x Earphone Amplifier 1 x USB Adapter Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement may vary by +/- 1-3cm.