Why is Smartwatch 2ES better than J888?
Smartwatch 2ES has no measurable advantages in this pair.
Why is J888 better than Smartwatch 2ES?
J888 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | — | 45 mm |
| Thickness | — | 14 mm |
| Case material | Plastic / polymer | Stainless steel |
| Sapphire crystal | — | Yes |
| Lens / cover glass | — | Saphirglas Saphirglas |
| Strap material | — | Edelstahl |
| Water resistance | — | 20 ATM |
| Ingress protection | IP68 | — |
| Water resistance (IPx) | IPx8 | — |
| Water rating (maker) | — | 200 m / 20 bar / 20 ATM |
| Colours | Black | Silver |
| Display | ||
| Screen size | 1.8″ | — |
| Display technology | LCD | — |
| Panel | IPS LCD | — |
| AMOLED / OLED display | No | — |
| Resolution (width) | 240 px | — |
| Resolution (height) | 286 px | — |
| Pixel density | 207 ppi | — |
| Refresh rate | 60 Hz | — |
| Battery | ||
| Battery capacity | 250 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Sensors | Accelerometer, heart rate, SpO2 | accelerometer |
| Sports & navigation | ||
| Built-in GPS | No | — |
| Connectivity | ||
| NFC payments | No | — |
| LTE (cellular) | No | — |
| eSIM | No | — |
| Bluetooth | 5.3 | 5 |
| Smart features | ||
| Speaker | Yes | — |
| Platform | ||
| Operating system | Proprietary OS | — |
| Platform | Proprietary | — |
| Works with | — | iOS, Android |









