| GENERAL |
| Manufacturer | |
| Model | RF-5500 4Gb |
| Type | Flash MP3 Player |
| Width | 1.7 inch (44.6 mm) |
| Height | 3.1 inch (78 mm) |
| Depth | 0.3 inch (7.6 mm) |
| Weight | 1.4 oz (41 g) |
| Internal Memory | 4 Gb |
| Housing Material | Metal |
| Waterproof | No |
| DISPLAY |
| Touch Screen | No |
| DIGITAL PLAYER |
| Supported Digital Audio Standarts | MP3, WMA, WMA (DRM) |
| Equalizer | No |
| Equalizer Factory Preset Quantity | 8 |
| Recorder | Yes |
| Signal-to-Noise Ratio | 90 dB |
| VIDEO |
| Video Playback Support | Yes |
| Images Playback Support | Yes |
| Supported Image Formats | JPG, BMP |
| TV-tuner | No |
| Integrated Digital Camera | No |
| FM TUNER |
| FM tuner | Yes |
| Station Preset Quantity | 30 |
| RDS support | No |
| CONNECTIVITY |
| PC Interface Supported | USB 2.0 |
| Slots Provided | 1 x microSD |
| Max Memory Card Size | 8 Gb |
| MISCELLANEOUS |
| Viewing Text Files Ability | Yes |
| Built-in games | No |
| Remote | No |
| Battery | Integrated Li-Pol |
| Mfr estimated battery life | 15 Hours |
| Mfr estimated battery life in video mode | 5 Hours |
