USB-C adapter for connecting a microphone, headphones, or speakers to a laptop, tablet, or smartphone while charging. High-quality fast charging cable: When used with a fast charger, you can charge your phone at maximum speed. Audio adapter with charging function: With this USB-C splitter, you can charge your battery while listening to music. Maximum compatibility for all phones, tablets, and other devices with a USB-C port. High-resolution HiFi stereo sound through a high-quality digital-to-analog converter (DAC). Gold-plated connector with low contact resistance for secure signal transmission. System requirements: Suitable for 3-pole and 4-pole 3.5mm jack devices. To use the charging function, the device must support Power Delivery (PD) or Thunderbolt 3 technology. Consumer note: On some smartphone models, the function buttons of a headset cable remote control may have limited usability.