Olympus LS-10 Linear PCM Recorder Uncompressed 24 bit/96kHz Linear PCM recording capability, to capture the rich sound quality of music performances. Can record 14 hours on two AA batteries. The LS-10 can play back the high-quality audio it records and play it back on its built-in stereo speakers with vibrancy and clarity. WAV, MP3 and WMA recording and playback The LS-10 has two gigabytes of internal flash memory to capture lengthy recordings. It also features an SD/SDHC removable media card slot to further expand its capacity. WAV, MP3 and WMA recording and playback