Olympus DS-3300 - Digital Diсtaphone, 11 h, 300 - 5000 Hz, 32 MB, 2,8 cm, USB, 15 h
Olympus DS-3300 - Digital Diсtaphone. Maximum recording time: 11 h, Frequency range: 300 - 5000 Hz. Internal memory: 32 MB. Loudspeaker diameter: 2,8 cm. Interface: USB. Recording battery life: 15 h