Capture live music, notes from a meeting or simply your thoughts for later with this digital voice recorder. Enhanced MP3 or linear PCM recording features include 4GB internal memory, an expandable microSD memory card slot, and direct connect USB for easy file transfer and charging the rechargeable battery. The innovative, Intelligent Noise Cut mode significantly reduces ambient noise during recording for clearer playback. Scene Select lets you select pre-determined recording modes so the device automatically adjusts the unit to the optimal recording settings. Digital Pitch Control enables the recording to be played at a faster or slower rate without changing the pitch. Expandable microSD memory card slot is perfect for additional capacity. The UX523 recorder also features Voice Operated Recording, built-in stereo microphone and earphone jack. Recorder is USB compatible with PCs and Macs. Sony's warranty requires the consumer to contact Sony directly with any issues about this product.