  |  |  |  | |
| Editiorial reviews | ||||
| User rating |
| Touchscreen | yes | yes | yes | yes |
|---|---|---|---|---|
| Screen size | 6.0 in | 7.8 in | 6.0 in | 6.0 in |
| Screen resolution | 1024 x 768 px | 1872 x 1404 px | 1024 x 758 px | 1448 x 1072 px |
| DPI | 212.0 dpi | 300.0 dpi | 213.0 dpi | 300.0 dpi |
| Screen technology | N/A | E Ink Carta | E Ink Pearl | N/A |
| Shades of grey | N/A | 16 | 16 | 16 |
| Aspect ratio | N/A | 16:9 | 4:3 | N/A |
| Colour | N/A | N/A |
| N |
| Pixel density | N/A | N/A | N/A | 300.0 ppi |
| Supported book file formats |
|
|
|
|
|---|---|---|---|---|
| Supported image formats |
|
|
|
|
| Built-in memory | yes | yes | yes | yes |
| Memory card reader | no | no | yes | no |
| Book capacity | N/A | 6000 | 1000 | 3000 |
| Memory size | N/A | 8GB | 2GB |
|
| Compatible memory cards | N/A | Not supported | microSD | Not supported |
| Built-in processor | N/A | Y | N/A | N/A |
| Processor speed | N/A | 1000.0 MHz | 1000.0 MHz | 1000.0 MHz |
| RAM size | N/A | 512.0 mB | N/A | N/A |
| Supported video formats | N/A | N/A | Not supported | Not supported |
| Maximum memory card size | N/A | N/A | 32 | N/A |
| Height | 6.26 in | 7.68 in | 0.39 in | 6.18 in |
|---|---|---|---|---|
| Width | 4.45 in | 5.45 in | 4.49 in | 4.53 in |
| Depth | 0.33 in | 0.27 in | 6.18 in | 0.35 in |
| Weight | 6.35 oz | 8.11 oz | 6.53 oz | 6.35 oz |
| Speakers | no | no | no | no |
|---|---|---|---|---|
| Audio 3.5mm input | no | no | no | no |
| Supported audio formats | N/A | N/A | Not supported | BMP |
| Operating system | Proprietary OS | Proprietary OS | Proprietary OS | Proprietary OS |
|---|---|---|---|---|
| Qwerty keyboard (buttons) | no | no | no | no |
| Qwerty keyboard (screen) | yes | yes | yes | yes |
| Lighting | yes | yes | yes | yes |
| Menu languages | N/A |
| N/A |
|
| Input method | N/A | N/A | Multi-touch | Multi-touch |
| Rotating | N/A | N/A | no | N/A |
| Adjustable text | N/A | N/A | yes | yes |
| Built-In dictionary | N/A | N/A | yes | yes |
| Digital library access | N/A | N/A | yes | yes |
| Web browsing | N/A | N/A | yes | N/A |
| Wi-Fi | yes | yes | yes | yes |
|---|---|---|---|---|
| 3G (UMTS) | no | no | no | no |
| AC adapter included | yes | no | yes | no |
| USB | yes | yes | yes | yes |
| Wi-Fi standards | N/A |
|
|
|
| Headphone out | N/A | no | no | N/A |
| Bluetooth | N/A | no | no | no |
| USB version | N/A | USB 2.0 | USB 2.0 | N/A |
| USB type | N/A | Micro-USB | Micro-USB B | Micro-USB |
| Total USB ports | N/A | 1 | 1 | 1 |
| USB powered (only mha USB) | N/A | N/A | yes | yes |
| Battery type | Li-Ion | Li-Ion | N/A | Li-polymer |
|---|---|---|---|---|
| Number of batteries required | 1 | 1 | 1 | N/A |
| Rechargeable battery (enclosed/integrate) | yes | yes | yes | yes |
| Battery life | N/A | N/A | 55.0 h | 30.0 h |
| Battery life, music | N/A | N/A | 70.0 h | N/A |
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