Why is Huawei Watch GT 2 Pro ECG better than Honor Watch GS Pro? Has NFC ? Has ECG technology ? Has wireless charging ? 2.2 mm thinner ?11.4 mmvs13.6 mm Tracks calorie intake ? Has sapphire glass display ? Tracks water intake ? 20.66% less body volume ?24.86 cm³vs31.33 cm³ Scr...