The Zeblaze GTR 3 Pro is a unisex smartwatch with a 1.43-inch AMOLED display, wrist calling and a 260 mAh battery. Alongside smartphone connectivity, it offers activity, sleep and selected health metrics tracking.
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Display and protective glass
The round Ultra HD AMOLED display has a resolution of 466 × 466 pixels and a brightness of up to 1,000 nits. The high brightness helps with outdoor readability, although visibility also depends on the lighting conditions. Always-On Display shows basic information without waking the watch, but using it can affect battery life.
Corning Gorilla Glass protects the display surface. It improves resistance to damage, but does not make the watch immune to every scratch or impact.
Health and activity tracking
The watch tracks heart rate, blood oxygen saturation (SpO₂), stress, sleep and calories burned. A three-axis accelerometer and gyroscope record movement, steps and sports activities. The data can also be viewed in the phone app.
These readings are useful for following general changes over time, not as a substitute for medical measurements or examination. How the watch is worn and the conditions during measurement can affect results.
Battery and charging
The 260 mAh lithium-polymer battery has a stated battery life of approximately 5 to 14 days, depending on the usage mode. Charging takes around 1.5 hours. Specific battery-life test conditions are not provided, and results depend on the features used, including the display and calls.
Calling, connectivity and app
The GTR 3 Pro allows calls directly from the wrist when connected to a smartphone. It uses Bluetooth BLE 5.2 to connect to the phone and works with the FitCloudPro app for Android and iOS. The app lets users view health and sports data recorded by the watch.
The watch is listed as supporting Android 5.0 or later and iOS 10.0 or later. Before buying, it is also worth checking the current FitCloudPro app requirements for your particular phone.
Build and dimensions
The watch case is made of 316L stainless steel, and the frame has a carbon coating. It measures 45 × 45 × 10.7 mm and weighs 46.5 g with its silicone strap. The strap has a quick-release mechanism and fits wrist circumferences of 130 to 235 mm.
No water-resistance rating is provided, so check the documentation before wearing the watch while swimming or showering.
The Zeblaze GTR 3 Pro combines a prominent AMOLED display, wrist calling and features for general activity tracking. When considering it, take account of its dimensions, phone compatibility and the fact that actual battery life depends on use.
