This product is designed for modern USB-C devices and outputs digital audio signals to audio systems via TOSLINK optical fiber. It supports SPDIF (PCM) format audio transmission, providing clear and interference-free sound quality. Suitable for mobile phones, tablets, and laptops that support USB-C audio output. Features USB-C male to standard TOSLINK (optical) male connector, supports SPDIF digital audio output (PCM stereo), high-fidelity sound quality, anti-electromagnetic interference, plug and play, no driver installation required. Supports devices compliant with USB Audio Class (UAC1/UAC2) protocols. Compact and flexible design, suitable for portable or fixed installation. Connects USB-C devices to AV receivers, DACs, or speakers with TOSLINK inputs for home theater and Hi-Fi audio system audio output, achieving digital audio conversion without analog signal interference. Suitable for modern devices without traditional optical or 3.5mm interfaces. Specifications: Interface Type: USB-C (male) to TOSLINK optical (male); Audio Format: SPDIF (PCM stereo); Optical Fiber Type: Standard TOSLINK plastic optical fiber; Operating Temperature: -10°C to +60°C; Color: As Shown; Material: Braided Wire + Metal; Package Contents: 1 x USB-C Male to TOSLINK Male cable. Only the above package content is included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement tolerance: +/- 1–3 cm.