| Name | Bigme B251 Pro | Boox Mira Pro |
|---|---|---|
| Image |  |
 |
| MSRP | $1279 | $1799.99 |
| Released | 2026 | 2021 |
| Availability | Pre-order | Discontinued |
| Check price: | Bigme, Amazon | Boox, Amazon |
| Display specifications | ||
| Display type | E Ink Kaleido 3 | E Ink Carta 1000 |
| Display size (inch) | 25.3 | 25.3 |
| Resolution (W×H) | 3200×1800 | 3200×1800 |
| Aspect ratio (W:H) | 16:9 | 16:9 |
| Color display? | Yes | No |
| Pixel density | 145 PPI, color: 72.5 PPI | 145 PPI |
| Screen light? | Yes | Optional: front light version available |
| Adjust color temperature? | Yes | Yes (front light version) |
| Refresh rate (max) | 60 Hz | Boox Super Refresh; ? Hz |
| Controls & features | ||
| Touchscreen? | ❌ | ❌ |
| Stylus support? | ❌ | ❌ |
| Auto-rotate? | ❌ | ❌ |
| Remote control? | ✔ | ❌ |
| Wireless casting? | ✔ | ❌ |
| Speakers? (built-in) | 2× (2.0 channel) | 2× (2.0 channel) |
| Ports | ||
| HDMI port? | 1× HDMI | 1× HDMI, 1× mini-HDMI |
| DisplayPort | 1× DisplayPort | 1× DisplayPort |
| 3.5 mm AUX out port? | ❌ | ❌ |
| USB ports | 1× USB-C (system upgrade only) | 1× USB-C |
| Charging port | DC port | DC port |
| Stand & adjustability | ||
| Included stand type | Stand | Aluminium stand, 2850 gram |
| Pivot (landscape/portrait) | ✔ 90° | ✔ 90° |
| Tilt (angle up/down) | ✔ | ✔ 40° |
| Swivel (left/right) | ✔ | ❌ |
| Height adjustable (cm up/down) | ✔ | ✔ 5 cm |
| VESA stand holes, (spacing, mm) | 100×100 | 75×75 |
| Physical specifications | ||
| Size (cm H×W×D): | 36.0×59.8×3.13 | 34.92×59.42×2.65 |
| Weight (gram): | ? | 2900 |
| Size (inch H×W×D): | 14.17×23.54×1.23 | 13.75×23.39×1.04 |
| Weight (lbs): | ? | 6.39 |
| Screen: flush or recessed? | Recessed | Recessed |
| Color options: | White | Silver |
| Included cables, charger, remote? | ? | USB-A to C, USB-C to C, Mini-HDMI to HDMI |
| More info | ||
| Model number | ? | Mira Pro |
| User guide / manual | Not available | Not available |
| Official site link: | Bigme.vip | Boox.com |
| Check price & reviews | ||
| See price and reviews: | Bigme, Amazon | Boox, Amazon |
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