FM PLL Radio. 60 Second Anti Skip Protection. CD-R/RW Compatible. 5" and 3" Disc Compatible. Audio Book Feature. 24 Track Programmable Memory. Multi-Function, Full Digit LCD Display. DBBS Bass Boost Switch. Headphone Jack. DC Input Jack. Mini USB port, unit can be powered by a computer or another USB power source. Power: 2 x AA Battery (not included).