Huawei Watch Buds 2 vs Oppo Watch 4 Pro - mobile2u.net
| Technology | 3G, 4G | 3G, 4G |
| Display Size | 1.4 inches | 1.9 inches |
| Display Type | AMOLED | LTPO AMOLED |
| Resolution | 466 x 466 pixels | 378 x 496 pixels |
| Battery | 45 mAh Li-Po | 570 mAh Li-Ion |
| OS | HarmonyOS 3.0 | ColorOS Watch 3.0 |
| Bluetooth | 5.2 | 5.0 |
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