61-key, entry-level Portable Keyboard featuring a wide variety of sounds and functions the PSR-E273 is an ideal first keyboard for aspiring musicians who are just starting out. Quiz Mode Smart Chord 401 high-quality Voices, 143 auto accompaniment Styles 112 Songs, easy Song Book (available via web download) Lesson function Recording function AUX IN jack for connecting an external audio source Master EQ / Ultra Wide Stereo Duo Mode Compact and portable design Battery operation (AAx6)