Play music directly from the Internet without a PC or play your favorite computer files from your computer. Supports: AAC, AAC+, ADTS, AIFC, AIFF, CAF, MP3, NeXT, OGG , WAV, WMA,ASX, M3U, PLS,HTTP, HTTPS, RTSP, Apple Lossless, and FLAC 24-bit 96kHz files * Play your digital music and enjoy crisp highs and deep base via the 3 inch woofer and 1 inch tweeter via the class D digital amplifier. Even wake to your favorite music via 7 separate alarms with built in adjustable sleep timer and large snooze bar * Connectivity includes built in 802.11n Wi-Fi, Headphone, RCA line out, Aux-in, USB (to play flash drive music or optional Grace Digital Ethernet Adapter) with built in Battery Backup to save personal settings and Real-Time clock (RTC) * Included accessories: Power Adapter, Remote Control, RCA to 3.5mm connector, user"s guide. Download your free iPhone or android remote control app * Optional Rechargeable Li-ion battery pack sold separately