Dimensions
Size comparison
Balance 2J888
| Balance 2 | J888 | Difference | |
|---|---|---|---|
| Case size | 47.4 mm | 45 mm | +2.4 mm |
| Thickness | 12.3 mm | 14 mm | −1.7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Balance 2 better than J888?
- Thickness12.3 mm vs 14 mm+14%
Why is J888 better than Balance 2?
- Water resistance10 ATM vs 20 ATM2×
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | 45 mm |
| Weight | 43 g | — |
| Thickness | 12.3 mm | 14 mm |
| Height | 47.4 mm | — |
| Width | 47.4 mm | — |
| Case material | Aluminium | Stainless steel |
| Sapphire crystal | Yes | Yes |
| Lens / cover glass | Sapphire glass | Saphirglas Saphirglas |
| Strap material | — | Edelstahl |
| Water resistance | 10 ATM | 20 ATM |
| Water rating (maker) | — | 200 m / 20 bar / 20 ATM |
| Colours | — | Silver |
| Display | ||
| Screen size | 1.5″ | — |
| Display technology | AMOLED | — |
| Panel | AMOLED | — |
| AMOLED / OLED display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 480 px | — |
| Resolution (height) | 480 px | — |
| Pixel density | 323 ppi | — |
| Peak brightness | 2,000 nits | — |
| Battery | ||
| Battery life (smartwatch mode) | 21 days | — |
| GPS battery life (dual-band) | 33 h | — |
| Battery capacity | 658 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | — | accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Sport profiles | 180 | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | 5 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Platform | ||
| Platform | Proprietary | — |
| Works with | Android, iOS | iOS, Android |
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