Olympus VN-711PC . Maximum recording time: 823 h, Recording modes: HQ, LP, SP, Playback time: 68 h. Internal memory: 2048 MB. Display: LED, Display resolution: 108 x 84 pixels, Display diagonal: 40.9 mm (1.61 "). Output power: 250 mW, Loudspeaker diameter: 28 mm. Interface: USB