This product converts HDM adapter digital audio to VGA audio. External 5V less than 140mA power supply, need external power supply, port power supply, can be connected to more high-power old and affect the sound quality without attenuation. | TV coaxial sound, electronic noise reduction technology + gain technology, to enjoy a hearing. TV fiber optic to audio, TV through the fiber optic interface and 3.5mm interface speaker connection, providing non-electromagnetic noise , and reliable. | With 3.5mm headphone jack output for connecting high-fidelity headphones. The headphones affect the simultaneous use, the dual recording audio is output at the same time, and there is no delay in synchronization. Transfer old amplifiers and stereos, and transfer the old-fashioned amplifiers and stereos to the fiber-optic coaxial interface on the smart TV PS4, HD player, -ray DVD, and network set-top box. | Suitable for portable devices (such as laptops/mobile phones/DVDs/tablets/digital set-top boxes/players/digital cameras/sLR cameras, etc.) and VGA ONLY display devices (displays, projectors, etc.) | The video converter is made of PCB + plastic, new, small size, low power consumption, easy to carry, cost-saving, plug and play. Built-in high-quality chipset supports full-size active HD display with resolutions up to 1920x1080. | | | | |