Up to 544 hrs recording time. 2GB built-in memory. USB 2.0 High Speed Connection. Five folders for file storage; 200 messages per folder. Recording Modes: LP; SP; HQ; STSP; STHQ; STXQ. Full Dot Matrix Display. Voice Activated. Verbal annotations (up to 32 per file). Skip Function. 3.5mm microphone and earphone jacks. Microsoft Windows 2000/XP/Vista; Mac OS 10.2.8 or greater. 1 Year Warranty. Dimensions: 94.8x38x11mm. Weight: 46g (incl. batteries). Mass storage device for data files - music; notes; images; data and documents. Retractable USB plug. Direct software-free USB connection to PC or Mac. Integrated loudspeaker. Noise cancelling feature for clear voice quality. Built-in stereo microphones. 5 languages: English; German; French; Spanish & Italian.