HDMI Stereo Audio Extractor Converter HDMI to HDMI 720P + Optical SPDIF 3.5mm Features High compatibility: support a variety of HDMI interface devices connected, such as computers, TV boxes, DVDs, game consoles, the signal will be converted to video + audio output. Two audio output interface: product audio output support SPDIF audio and 3.5MM audio output, can be connected to the corresponding speakers and headphones use. HD output: the product supports 1080P, 60Hz video input and output, backward compatible with 720P and 480P and other definition video. Easy to use: simply use the HDMI HD cable to connect the adapter and audio and video playback devices, and you are ready to use. If the power supply is insufficient, simply connect the USB power cable again. Parameters Material: ABS Size: 76*46*15mm USB power cable length: 90cm Input: HDMI HDMI version: 1.4b HDMI input parameters: 480P, 576i, 720P@50/60Hz, 1080i@50/60Hz, 1080P@50/60/24Hz Output: HDMI+SPDIF/3.5mm Audio HDMI output: 480P, 576i, 720P@50/60Hz, 1080i@50/60Hz, 1080P@50/60/24Hz HDMI input and output cable distance: no more than 15m, 24AWG standard cable Power supply: Micro USB Listings HDMI audio splitter x 1 USB power cable x 1 Instruction manual x 1