Huawei Fit 4 Watch for Sale Smartwatch Huawei Fit 4 Watch for sale, used for only two months. Purchased from Huawei store via Amazon. Watch Specifications: It has very accurate heart rate measurement, blood oxygen saturation measurement, and over 100 types of exercises. It counts steps and analyzes sleep. You can sleep with it because it analyzes your sleep, including light sleep, deep sleep, dream sleep, and how many times you woke up. It is accurate and provides analyses very close to reality. Anyone who has tried Huawei products knows they are quality. It has an app that gives you analyses. Its price on the official Huawei website is 399. Bids below 300 will not be considered.