Check the listing for details. K1 Live Sound Card Bluetooth Digital Audio Mixer For Computer PC Mobile Phone. Condition: New. Listed at 46.02 USD. Description: The digital signal calculates the human voice, accompaniment, and sound effects through multiple channels to make the sound quality clearer and more stable, ensuring the layering and spatial sense of singing and voice, making the sound during live broadcast more round and three-dimensional. Function: For Mobile Computer Audio Interface Sound Card with Bluetooth With DSP Digital Audio CPU effector For Computer PC Mobile Phone Network Live Video Support Dual Mobile phone Network Live( or 1 Mobile phone 1 Computer Live) parameter: Name: Live Sound Card K1 Charging voltage: DC5V Battery capacity: 1800MAH Product weight: 1.2KG Product size: 242X172X28MM/9.53”*6.77*11.02 Interface diameter: 3.5mm Sound card charging: MICRO USB Supported devices: mobile phones, tablets, computers.