NWZ-B143F/D
| Recharging Method | USB-based charging |
| FM tuner | Yes |
| Recharge time | Approx. 70 minutes (full charge) (Quick Charge - 3 min charge for up to 90 min Playback) |
| Weight (g) | Approx. 26g |
| Sound Settings | 5 Band Equalizer (Heavy / Pop / Jazz / Unique / Custom) |
| WMA Audio Bit rate | 32 to 192kbps (Supports variable bit rate (VBR)), Sampling frequencies: 44.1kHz |
| Input / Output Terminals | Headphone / Hi-speed USB (2.0) |
| Maximum Power Output (16 ohms/mW) | 5+5mW |
| Memory | 4 GB |
| MP3 Audio Bit rate | 32 to 320kbps (Supports variable bit rate (VBR)), Sampling frequencies: 32, 44.1, 48kHz |
| Searching Methods | All Songs / Album / Artist / Genre / Release Year / Playlists / Folder / ZAPPIN™ (Short / Long) |
| Play Modes | Normal / Repeat All / Repeat 1 Song / Repeat Shuffle All |
| Product Dimensions | (W x H x D) 85.8 x 23.2 x 14.1mm |
| Continuous Playback Time | Approx. 18 hrs (MP3 at 128kbps) |
| Display | 3-line LCD |
| Power Source: | Built-in Li-ion Rechargeable Battery / USB power (from a computer via a USB connector of the player) |
| Accessories | Headphones, Quick Start Guide |
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