Olympus VN-2100PC, 170 h, 300 - 7200 Hz, 64 MB, 7 h, 15 h, 63 g
Olympus VN-2100PC. Maximum recording time: 170 h, Frequency range: 300 - 7200 Hz. Internal memory: 64 MB. Battery life (max): 7 h, Recording battery life: 15 h. Weight: 63 g. Dimensions (WxDxH): 102 x 20 x 39 mm, Battery type: AAA, File type: CELP+ADPCM