Usage Tips:Optical audio splitter. Optical audio splitters allow you to connect an optical audio source and distribute it to two receiving devices. Supports one male input to two female outputs. The optical splitter has 1 in and 2 out. Supports 1 male input to 2 female outputs at the same time; if 2 female inputs to 1 male output, you need to turn off 1 female input device, and 2 female inputs cannot work at the same time, otherwise interference and noise will occur. High-fidelity quality: The optical splitter requires no power supply and is Perfect for uncompressed PCM audio, compressed 5.1 and 2.1 surround sound systems including Digital Plus, DTS-HD High Definition, ADAT and LPCM PREMIUM MATERIALS: Gold-plated plugs provide good electrical conductivity, long-lasting corrosion resistance, dampen vibrations and stable signal transmission. UNIVERSAL COMPATIBILITY: splitter can be used with CD players, DVD players, Blu-ray players, hearing aids, sound bars, headphones, receivers, amplifiers, etc. or other digital audio sources theater systems connected to receivers and recorders. Colour:black Material:ABS Package Contents: 1 x The optical fiber connector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.