Unlike the Bip smartwatches, the GTS series gadgets are equipped with a full-fledged operating system (Zepp OS) and more high-end body sensors. For example, the GTS 4 and GTS 4 Mini measure blood oxygen levels, heart rate and stress levels around the clock, giving the user a more accurate picture of how their physical parameters change throughout the day and what exactly affects them.


Almost all GTS watches are designed to resemble the classic square Apple Watch, the case is made of metal, the design is resistant to moisture (WR50 protection), replaceable straps are supported, and the main screen is covered with protective glass. The most current models use colorful AMOLED screens with a good brightness reserve and high pixel density, making information easy to read even in direct sunlight. Alerts from your smartphone, workout data, information about your stress level, steps taken, etc. are displayed on the screen.

At the end of 2023, the most popular and relevant are the GTS 4 model and its slightly trimmed modification GTS 4 Mini. The GTS 4 is a pretty serious watch with a built-in microphone for interacting with a voice assistant, support for 154 different sports modes, a built-in player and a Wi-Fi receiver for downloading music. The watch also claims to support 6 satellite systems, Bluetooth calls from the watch and voice announcement of sports indicators. With GPS disabled, the built-in battery can hold a charge for 8 days.