Feature:1. FUNCTION: The HD multimedia interface sound extractor can extract sound from HD multimedia interface signals and output the extracted sound to amplifiers, soundbars, TVs, other sound systems via BT, SPDIF, 3.5mm sound connectors.2. BT 5.0 FUNCTION: Built in BT 5.0 high technology module, can pair with your smartphone, tablet, laptop, or BT speakers to meet more of your usage needs.3. INPUT OUTPUT RESOLUTION: The HD multimedia interface sound extractor supports up to 4K 30Hz input and output resolution, capable of transmitting 4K ultra high definition video.4. 3 MODES: With BT, 2.0CH, 5.1CH modes. Select 3.5mm sound output, please use 2.0CH mode. Select SPDIF output, please use 5.1CH mode. Innovative BT output mode allows sound to be output to a variety of BT devices, such as BT speakers, BT headphones, cell phones, laptops and more.5. WIDE COMPATIBILITY: Suitable for a variety of HD multimedia interface source devices that do not have dedicated sound output, as well as DVD, HD players, wired, satellite TV boxes, PCs, laptops and more.Specification:Item Type: Sound ExtractorMaterial: ABSInput: 1 x HD Multimedia InterfaceOutput: 1 x HD Multimedia Interface, 1 x SPDIF, 1 x 3.5mm, 1 x BTHD Multimedia Interface Version: HD Multimedia Interface 1.4bBT Version: BT V5.0BT Name: T3Switch Sound Mode Options: BT, 2.0CH, 5.1CHVideo Color Format: 24 30 36 Bit Deep ColorHD Multimedia Interface Port: Gold PlatedSound Format: DTS HD, trueHD, LPCM7.1, DTS, ACS, DTSHD Multimedia Interface Input, Output Resolution: 480p, 576i, 720p at 50 60Hz, 1080i at 50 60Hz,1080p at 24 50 60Hz, 4K 30HzBT Transmission Distance: <10m / 32.8ftHD Multimedia Interface Input Cable Distance: 15m / 49.2ft AWG24 HD Multimedia Interface Standard CableHD Multimedia Interface Output Cable Distance: 15m / 49.2ft AWG24 HD Multimedia Interface Standard CablePower Input: 5V 1AProduct Size: Approx. 76x46x15.5mm / 3.0x1.8x0.6in.Package List:1 x Sound Extractor1 x Instruction Manual1 x USB Supply Cord