listening experience: a DAC converts digital files to analog output up to 24bit/192 kHz, delivering precise and detailed sound. Seamless audio performance: connects a USB C device to any 3.5 mm audio plug while preserving full audio functionality and smooth transmission for uninterrupted listening. Durable construction: aluminum alloy shell with a reinforced rightangle connection and a precision coated contact for enhanced durability. Portable and convenient: cordless dongle design with an improved rightangle configuration, comfortable to hold, compact in size, and easy to carry. eliminates extra cords and is suitable for outdoor use. Use scenarios: Use with USB C smartphones or tablets that lack a 3.5 mm jack to drive wired headphones for better sound. Use with USB C laptops or tablets to connect 3.5 mm headphones or speakers, enabling audio during work or travel. Take it outdoors or on the go to upgrade any 3.5 mm audio accessory from a USB C device without carrying extra cables.