Sewell Direct Sound Box External USB Sound Card 7.1 and 5.1 Channel Audio (SW-29545) Does not support full surround for windows 10. Product will be updated soon to support this. Full analog 7.1 audio through 3.5mm jacks Digital 7.1 audio supported through Fiber Optic S/PDIF input and output (2.1 audio if used with Mac OS) Record in Stereo through 2 Microphone inputs Small and compact for portability; about the size of a deck of cards, Easy-to-use volume control buttons Analog supports 48/44.1 KHz sample rate for both recording and playback (S/PDIF in and out only support 48 KHz sample rate) Full-duplex recording and playback USB 2.0 compliant