  |  |  |  |  |
| Touchscreen | yes | yes | yes | yes | yes |
|---|---|---|---|---|---|
| Colour | N | Y | N | N | Y |
| Screen size | 6.0 in | 7.0 in | 6.0 in | 6.0 in | 6.0 in |
| Screen technology | E Paper | TFT | E Ink | E Ink | E Ink Carta |
| Screen resolution | 1024 x 768 px | 600 x 800 px | 1024 x 758 px | 1024 x 758 px | 1072 x 1448 px |
| Shades of grey | N/A | N/A | 16 | 16 | 16 |
| DPI | N/A | N/A | 212.0 dpi | N/A | N/A |
| Pixel density | N/A | N/A | N/A | 212.0 ppi | N/A |
| Supported book file formats |
|
|
|
|
|
|---|---|---|---|---|---|
| Supported video formats | Not supported | MPEG4 | Not supported | N/A | Not supported |
| Memory size | 8GB | 2GB | 4GB | 4GB | 8GB |
| Compatible memory cards | microSD |
| microSD | microSD | N/A |
| Maximum memory card size | 32 | 32 | 32 | 32 | 25 |
| Supported image formats | N/A | JPG |
|
| N/A |
| Built-in memory | N/A | N/A | yes | N/A | N/A |
| Memory card reader | N/A | N/A | yes | N/A | N/A |
| Built-in processor | N/A | N/A | Y | N/A | Y |
| Processor speed | N/A | N/A | 1000.0 MHz | 1000.0 MHz | 1000.0 MHz |
| RAM size | N/A | N/A | 256.0 mB | 512.0 mB | 512.0 mB |
| Supported audio formats | Not supported |
| Not supported | MP3 | Not supported |
|---|---|---|---|---|---|
| Speakers | N/A | N/A | no | no | N/A |
| Audio 3.5mm input | N/A | N/A | no | yes | N/A |
| Audio features | N/A | N/A | N/A | Text to Speech | N/A |
| Wi-Fi | yes | yes | yes | yes | no |
|---|---|---|---|---|---|
| Wi-Fi standards |
|
|
|
| N/A |
| Headphone out | no | yes | no | yes | no |
| Bluetooth | no | no | no | no | no |
| USB version | USB 2.0 | USB 2.0 | USB 2.0 | N/A | N/A |
| USB type | Micro-USB | Mini-USB A | Micro-USB | Micro-USB | Micro-USB |
| 3G (UMTS) | N/A | N/A | no | N/A | N/A |
| AC adapter included | N/A | N/A | no | N/A | N/A |
| USB | N/A | N/A | yes | N/A | N/A |
| Total USB ports | N/A | N/A | 1 | N/A | N/A |
| USB powered (only mha USB) | N/A | N/A | yes | N/A | N/A |
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