| General | |
| Manufacturer: | teXet |
| Model: | TB-138 |
| Measurements | |
| Dimensions (mm): (width x height x thickness) |
150 x 212 x 9 |
| Weight (g): | 316 |
| Display | |
| Display type: | E-Ink OED(O-Paper) |
| Screen Size: | 8 |
| Screen Resolution (px): | 768 x 1024 |
| Grayscale: | 16 |
| Built-in lights: | No |
| Supported formats | |
| Text: | CHM, DJVU, DOC, EPUB, FB2, HTML, MOBI, PDB, PDF, RTF, TXT |
| Graphic: | BMP, GIF, JPEG, PNG |
| Other: | RAR, ZIP |
| Processor | |
| Processor Type: | RockChip RK2906 |
| Memory | |
| Random access memory (RAM) (MB): | 256 |
| Read-only memory (ROM) (MB): | 4096 |
| Memory Cards: | microSD, microSDHC |
| Communications | |
| Wi-Fi: | Yes |
| Multimedia | |
| Charging | |
| Capacity battery (MAh): | 2800 |
| Charging | |
| Charging from USB: | Yes |
| Charging from the mains: | Yes |
| Additionally | |
| Features: | Android 2.3.1 |