MP3 Player Sony Walkman NWZ-B173F 4GB
| Memory Storage | 4GB |
| Display | 3-Line LCD |
| FM Tuner | Available |
| I/O Terminals | Headphone / Hi-Speed USB (2.0) |
| Max. Power Output | 5+5mW |
| File Formats Supported | MP3 Audio, WMA Audio |
| Sound Settings | Bass Boost / 5 Band Equalizer (Heavy / Pop / Jazz / Unique / Custom) |
| Searching Methods | All Songs/Album/Artist/Genre/Release Year/Playlists/Folder/ZAPPIN™ (Short/Long) |
| Play Mode | Normal / Repeat All / Repeat 1 Song / Repeat Shuffle All |
| Continuous Playback Time | Approx. 18 hrs (128kbps) |
| Number of Songs | Approx. 970 (128kbps) |
| Voice Recording | Available |
| Max. Recording Time | 64 hrs 40 mins |
| Power Sources | Built-in Lithium-Ion Rechargeable Battery / USB Power |
| Recharging Method | USB-Based Charging |
| Recharge Time | Approx. 70 Min. (Full) (Quick Charge - 3 Min Charge for up to 90min Playback) |
| Other Features | Universal Clip Anywhere, Headphones Included |
| Dimension (WHD) | 89.2(W) x 24.0(H) x 15.0(D) mm |
| Weight | Approx. 28 gram |
| Alnect Care Warranty | 30 Hari |
| Standard Warranty | 90 Hari (3 Bulan) |
| Others | Supplied Accessories : Headphones, Quick Start Guide |
| Manufacturer website | http://www.sony.co.id/ |
