Sony M-470
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| Brand: | Sony |
| Description: | Voice recorder microcassette analog speaker |
| Width: | 60 |
| Height: | 111 |
| Type: | Dictaphone |
| Functions: | Built-in speaker |
| Number of batteries: | 2 |
| Battery type: | AAA |
| Power: | 250 mW |
| Speaker diameter: | 36 mm |
| Number of recording channels: | 1 mono |
| Maximum recording time: | 2 h |