DescriptionIf you are looking for a professional optical audio to 3.5mm adapter, then your research is over here. That's because our product can meet your need. Adopted of premium material, practical and durable for long time use, not easy to get deformed and bring you much convenience.Features-Color:As Shown -Material:PVC, optical fiber - Size: 3.00X1.20X1.20cm/1.18X0.47X0.47inDigital input level: 0.1~1Volts p-pL/R analog output (1kHz@0dB): 800mVRMSHeadphone output power (1kHz@0dBRL=32): 30mWSNR@0dB(CCIR/ARM):90dBDistortion: 0.1%Frequency response: 20Hz~20KHzMaximum working current: 350mAPower adapter specifications: AC input 100V-240V 50/60Hz; DC output: 5V/1AWorking temperature: -10+55Working humidity range: 5~90%RH (non-condensing) - 3-way optical fiber digital audio input, free to switch to one optical fiber output, and decode to one-way at the same time. - Automatic detection and recognition of input digital audio signal format, output stereo analog audio. - One-key switch input source and power standby, convenient and fast operation. - Headphone port output, can directly drive 3.5mm plug universal headphones. - Small and compact size, light in weight, you can carry and use it wherever you go.