Sony – PX470

Body Material: Durable ABS plastic (74g | Dimensions: 38.3×114.1×19.3mm)
LCD Display: Monochrome (black & white)
Memory: 4GB internal (supports up to 32GB memory card | 5,000-file capacity)
Frequency Response:
- MP3: 50–20,000Hz
- LPCM: 50–20,000Hz
Ports: 3.5mm microphone input and headphone jack
Playback Formats: WMA, AAC-LC, MP3, LPCM (300mW output)
Recording Formats: MP3, LPCM
Battery Life: Up to 55 hours continuous recording (2x AA batteries)