| General | |
| Manufacturer: | Ritmix |
| Model: | RBK-900 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
118 x 179 x 10 |
| Weight (g): | 219 |
| Display | |
| Display type: | E-Ink Vizplex |
| Screen Size: | 6 |
| Screen Resolution (px): | 600 x 800 |
| Grayscale: | 16 |
| Touchscreen: | Yes |
| Built-in lights: | No |
| Supported formats | |
| Text: | DOC, EPUB, FB2, HTML, PDF, PRC, RTF, TXT |
| Graphic: | BMP, GIF, JPEG, PNG |
| Audio: | MP3 |
| Processor | |
| Processor Type: | FreeScale i.MX35 |
| Clock Frequency (MHz): | 533 |
| Memory | |
| Random access memory (RAM) (MB): | 128 |
| Read-only memory (ROM) (MB): | 2048 |
| Memory Cards: | microSD, microSDHC |
| Communications | |
| Multimedia | |
| Speaker: | mono |
| Output of earphones: | 3.5 |
| Charging | |
| Capacity battery (MAh): | 1100 |
| Charging | |
| Charging from USB: | Yes |
| Charging from the mains: | Yes |
| Additionally | |
| Features: | The ability to draw |