Design: Svelte : Compared with the chunky smartwatches and GPS watches,G16 looks and feels positively dainty anyone’s wrist. case, a black watch face and a Two-color silicone band. Overall, it’s very elegant. The underside of the G16 has an optical heart-rate sensor and 3 metal contacts for the wireless charger. Unlike the Charge 2, which can’t be submerged, the G16 is water-resistant to 50 meters (164 feet), which is good, considering the watch can track your swimming.
Display: Tiny, But Functional Four screen back-ground fo options
On the top half of the watch face is a small, square LED display that shows the date,time, your heart rate, step count, distance and blood pressure etc. Pressing the button on the top of the watch lets you switch among these screens. The LED display also lights up (and the watch vibrates) when you get a call, text or calendar event.
Fitness Tracking: G16 can automatically detect and track up your heart rate,steps,miles and time during runing,and recode your locus on app. It does many of the same things as the Fitbit Charge 2: It monitors your heart rate throughout the day and night, can track individual activities automatically, and measures your steps, calories, distance traveled and sleep. It will also alert you when someone calls or texts, and will let you set silent alarms.
Has a 7-day battery life with normal use(The watch will last about 5 days with continuous heart-rate tracking enabled.) Most other fitness trackers, including the Fitbit Charge 2, will last no more than a week before needing a recharge.
Warranty: No reason for return/refund if there should be any issue in 1 year