1,Plug-and-use, no need to install drivers, portable and flexible. 2,Allows connection of high-definition source to single high-definition display and the addition of an additional L and R and SPDIF audio output port. 3,Can be connected to stereo audio output for SPDIF function. 4,Easy to install and good performance, practical. 5, audio signal converter, easy to connecting. 1 x Audio Signal Converter1 x USB connection cable1 x Instruction Condition: Item Type: Audio Signal Converter Material: ABS Color: As picture shown Weight: Approx. 151gHDMI resolution: 24/50 / 60fs / 1080p / 1080i / 720p / 576p / 576i / 480p / 480iSupport video color format: 24bit dark 30bit, 36bitAudio output: L / R and SPDIFMaximum bandwidth: 225MHzMaximum baud rate: 6.75GbpsInput / output TMDS signal: 0.5 - 1.5V p-p (TTL)Input / output TMDS signal: 0.5 - 1.5V p-p (TTL)Input cable distance: ≤15mAWG26 HDMI standard cableOutput cable distance: ≤20mAWG26 HDMI standard cablePower supply: DC 5V (requires DC5V / 1A power input, we provide power USB cable)Maximum working current: 500mAPower adapter format: input: AC (50 / 60Hz) 100V-240V; output: DC5V / 1A Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.