Experience CD-quality audio with this external sound card, designed to minimize electromagnetic interference for a cleaner sound. Supports 2-channel analog and 7.1-channel output. High Power: Drives all types of high-impedance headphones, standard headphones, and speakers. Enjoy excellent sound quality with a signal-to-noise ratio of up to 90 decibels. No drivers needed in WIN2000, WINXP, WIN7, and WIN8 systems! Simply plug in your headphones or speakers and enjoy fantastic music instantly. Compact and portable. Compatible with USB 2.0 pure digital audio output and virtual 7.1-channel processing. Product Details: ★ Compact LED indicator ★ Supports standard speakers or headphones, with a microphone jack ★ USB interface, plug and play, replaces traditional sound cards ★ Microphone recording function ★ Multi-channel technology for dynamic 7.1-channel sound effects ★ Dynamic rotating sound field ★ Free switching between headphone and speaker modes ★ Simulated speaker position free adjustment function ★ Output level adjustment ★ 16 rhythm preset modes ★ 23 sound field preset modes ★ Converts analog signals (microphone and line signals from CD, MP3, TV, tape recorder, etc.) to digital signals and saves the function Looks like a flash drive with a sleek black shell, a simple USB interface, and plug-and-play functionality.