Feature:1. Input And Output: 1CH HD Multimedia Interface input to 1CH HD Multimedia Interface video and 1CH HD Multimedia Interface 7.1CH sound + sound (SPDIF+3.5mm) output.2. Output Sound Support: This sound splitter supports HD Multimedia Interface 7.1CH, SPDIF and 3.5mm/0.1in analog sound output.3. High Input Resolution: HD Multimedia Interface converter supports input resolution up to 2160p, giving you the best picture experience.4. Good Performance: Realize the synchronization of sound signal separation, there are 2.0CH, 5.1CH, 7.1CH three sound modes to choose from.5. Plug And Play: HD Multimedia Interface stereo extractor supports ARC function, easy installation, plug and play, no driver required.Specification:Item Type: HD Multimedia Interface SplitterMaterial: Iron ShellHD Multimedia Interface Resolution: 2160P, 1080p, 1080i, 720p, 576p, 576i, 480pSound Output: Left, Right + SPDIFMaximum Baud Rate: 18GbpsInput, Output: TMDS Signal: 0.5~1.5Volts p-p (TTL)Input, Output: DDC Signal: 5Volts p-p (TTL)Input Cable Distance: 15m/49.2ft AWG26 HD Multimedia Interface Standard CableOutput Cable Distance: 20m/65.6ft AWG26 HD Multimedia Interface Standard CableMaximum Operating Current: 500mAOperating Temperature Range: -15C to +55COperating Humidity Range: 5 to 90%RH (Non Condensing).Package List:1 x HD Multimedia Interface Splitter1 x Charging Cable1 x Manual