Crystal Clean Hi-Res Sound - The USB to headphone jack adapter delivers crisp and clear High-Resolution sound at 44.1KHz/24-bit, 44.1KHz/16-bit, 48KHz/16-bit with great clarity and rich audio details. Stereo Audio Signal - Please note that this USB C to 3.5mm jack audio adapter is ONLY for transmitting stereo audio signals and does NOT support 5.1/7.1 surround sound. Support for virtual 5.1. Compact and Durable - Made of aluminum cg and durable PVC cable, the USB to audio jack adapter could isolate EM/RF interference and offer great durability as well. Easily be carried in a pocket to the office, conference room or at home. Plug and Play - No drivers download or apps required no external power required, just easily plug and play. The USB audio adapter works with MacBook Pro, Pad, Phone,laptop etc. NOT compatible with TV, Xbox One, Switch. USB Audio Output - AMANKA USB C to 3.5mm optical audio adapter lets you easily connect your USB C smartphone or laptop with Soundbar to enjoy lossless music. The 3.5 mm jack cannot serve as the microphone input, just sound output.