USB 2.0 External Stereo Soundcard Sound Card Stick Windows PC/ Laptop & Mac OS Compact and lightweight ideal for notebooks Plug andPlay. No drivers required for Windows 98SE / ME / 2000 / XP / Server 2003 /Vista/Win7, Linux Simple USB installation no additional drivers needed Stereo 3.5mm Female Headphone/ Speaker Output Jack Mono 3.5mm Female Microphone Input Jack