[USB Audio Converter]Transfer The Computer's Audio Signal Through The USB Port, Covert Audio to Optical, Coaxial, 3.5mm or 6.3mm Headphone Jack.Can Also Be Used As An External Sound Card. [16-300 Ohm Hi-Fi Headphone Amplifier ]Supports Most Headphones of High Impedance 16-300 ohm, Signal-to-noise Ratio more than 100Db, + N = 0.0003%, Fully Filter Noise, Enjoy High-quality Audio.
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