PROFESSIONAL SOUND CARD: 192KHZ sampling rate, 24Bit bit rate. PROFESSIONAL AUDIO RECORDING: Playing and singing recording, Computer recording, Studio Recording, Recording and Arrangement. FULL METAL SHELL DESIGN: Effectively avoid minor collisions and drops. REAL-TIME MONITORING EARPHONES: 6.35 and 3.5 headphone monitoring output interfaces with gain knobs for easy control of headphone volume. 3.0 HIGH-SPEED TRANSMISSION INTERFACE: Connectto the computer via USB cable to complete recording and power supply. ADD 5V POWER SUPPLY INTERFACE: When connected to a mobile phone, the sound card can be powered externally. Color:Black Material:Metal Package Contents: 1 * Recording sound card external device 1 * English instruction manual 2 * Data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.