HUAWEI/Huawei Smart Band 3e Running Elf Obsidian Black (smart reminder + 14 days long battery life + 7 running posture monitoring + pedometer + 50 meters waterproof + sleep monitoring)
50 meters waterproof, smart sports, heart rate sleep detection, information reminder, 14 days of battery life [Intelligent digital shopping spree, enjoy up to 12 interest-free installments]