As expected, Xiaomi-owned Huami unveiled a pair of new smartwatches, but they are not the Verge 2 and BIP 2. They feature an electrocardiogram sensor (ECG) in addition to an optical heart rate sensor, similar to the Apple Watch 4. Amazfit Smart Watch 2 This smartwatch is round like the Verge, but has a slightly larger, sharper display - a 1.39" OLED display with 454 x 454px resolution, that's 326ppi (the Verge has a 1.30" display with 360 x 360px resolution). There's Gorilla Glass 3 over the OLED panel for protection. Amazfit Smart Watch 2 The Amazfit Smart Watch 2 switches to...
Source: https://www.gsmarena.com/huami_unveils_smart_watch_2_and_health_watch_with_ecg_sensors-news-37524.php