| Name | Metalio E-Ink 4 |
|---|---|
| Image |  |
| MSRP | ~$90 |
| Released | 2026 |
| Availability | Available |
| Check price: | AliExpress |
| Display specifications | |
| Display type | E Ink |
| Display size (inch) | 3.97 |
| Resolution (pixels W×H) | 400×800 |
| Color display? | No |
| Pixel density | 235 PPI |
| Screen light? | No |
| Adjust color temperature? | NA |
| Auto-rotate? | ? |
| Input options & features | |
| Touchscreen | ✔ |
| Button controls? | ✔ Page-turn, AI button, menu |
| Stylus input | ❌ |
| Dark mode | ? |
| Audiobooks | ? |
| Connectivity | |
| Bluetooth | ? |
| Wi-Fi? | Wi-Fi |
| Cellular network | ✔ 4G via SIM (optional, +~$20) |
| Software | |
| Operating system | Custom OS + companion app |
| Reading apps & e-book shops | TXT/EPUB reader |
| Web browser? | ❌ |
| Email app? | ❌ |
| Dropbox & Google Drive? | ❌ |
| Hardware specifications | |
| Internal storage | 0.016 GB |
| RAM | ? |
| CPU clock speed | 0.24 GHz dual core(ESP32-S3) |
| Other built in: | Speaker, camera (optional, +~$20) |
| Ports & battery | |
| MicroSD card reader? | ✔ |
| 3.5 mm AUX out port? | ❌ |
| Other ports? | ❌ |
| Battery capacity (3.7V) | 1000 mAh |
| (USB) charging port | USB-C |
| Physical specifications | |
| Waterproof? | No |
| Size (cm H×W×D): | 10.7×6.37×0.67 |
| Weight (gram): | 70 |
| Size (inch H×W×D): | 4.21×2.51×0.26 |
| Weight (oz): | 2.47 |
| Screen: flush or recessed? | Flush |
| Color options: | White |
| Accessories in the box | Case, lanyard |
| More information | |
| Model number | MetalioEInk4-FE3D |
| User guide / manual | User Guide |
| Official site link: | Metalio.world |
| Brand origin | China |
| Check price & reviews | |
| See price and reviews: | AliExpress |
Metalio E-Ink 4 specifications
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