Huawei Watch GT 2 runs LiteOS and lasts up to two weeks - The Verge
Huawei Watch GT Review: Winning Battery Life | Digital Trends
Huawei Watch GT Review | PCMag
Amazon.com: HUAWEI Watch GT 2e Bluetooth SmartWatch, Sport GPS 14 Days Working Fitness Tracker, Heart Rate Tracker, Blood Oxygen Monitor, Waterproof for Android and iOS, 46mm Mint Green : Electronics