VAlinks Sound Card, 6 Channel External Sound Card USB 2.0 External 5.1 Surround Sound Optical S/PDIF Audio Sound Card Adapter for PC Laptop Recording Compatible with Windows 10/8 / 7/ XP,Blue External sound card USB 6 channel 5.1 audio. Record & play back digital and analog audio without sound card in your computer. This sound card offers a quality solution for upgrading your PC or laptop audio. This device supports 32 KHz, 44.1 KHz and 48 KHz sampling rate in digital and analog recording, and in digital/analog audio playback. Supports analog recording function,Full duplex playback/recording audio stream without sound card in PC; In digital playback mode, it receives an audio stream from the PC via a USB interface and transmits audio data according to AES\EBU, IEC60958, S\PDIF consumer interface standards. System Requirements: Win10/98/8/7/2000/XP/Mac OS 9.1(-+Mac version only have 2 channel playback only).[WARRANTY]: Rest easy with VALINKS's 12-month Worldwide Warranty if there exists quality issues,please contact our service team directly for help. <span class="a-text-italic">Classy and fashionable,</span> slim and light, much harmonious with Mac Book, computer and laptops. The VAlinks External Sound Card features a simple and compact Aluminum design,<span class="a-text-italic">Durable &amp; More Safe</span>! Your aluminum sound card stay <span class="a-text-italic">stable</span> and also offer some protection from scratching the surface of the table. Comes with a <span class="a-text-italic">2.7inch USB cables</span> are premium compact, heat-resistant aluminium connector makes it easy and secure to connect your devices. <span class="a-text-italic">Built-in Overvoltage / Overcurrent / Leakage and Short-Circuit</span> protection unit to protect you&amp;your family!