TypeC male to 3.5mm headphone jack plus TypeC female 100W charging port cable, about 15 cm long. Builtin digital decoding chip delivers HiFi sound quality. Supports wired control for music playback and phone calls with compatible headsets. Plug and play, no driver required. Key benefits and features Allinone USBC audio and charging solution: listen with 3.5 mm headphones while charging your device through the same USBC port. power charging: TypeC female port supports up to 100W charging for compatible devices. Clear audio performance: digital decoding chip provides enhanced sound quality for music and calls. Easy to use: plug in and start using immediately without installing drivers. Compact and portable: approximately 15 cm in length for travel and daily use. Compatibility and performance Designed for USBC devices that support audio output via the USBC port and charging through the same port. Supports 3.5 mm headphones, enabling traditional earphone usage on devices without a dedicated 3.5 mm jack. Suitable for smartphones, tablets, and laptops with USBC ports that accommodate audio output and charging. Use scenarios On the go: connect 3.5 mm headphones to enjoy music and podcasts while charging your smartphone at the same time. Desk setup: use with a USBC laptop or tablet to route audio through 3.5 mm while keeping the device charged. Travel and commuting: compact 15 cm cable fits in a pocket or bag, providing a convenient audio and charging solution without carrying multiple adapters.