The Amazfit GTS 2 is an elegant and featurerich smartwatch with a brilliant display, particularly long battery life and many useful functions. The large, rectangular AMOLED display shows watch faces, texts and all menus absolutely sharp, while the battery is particularly protected by the technology and lasts extra long (up to 20 days). The housing of the Amazfit GTS 2 is made of aluminum and is waterproof up to 50 meters. The new BioTracker 2 PPG sensor can calculate the usual health data and now also the oxygen content in the blood. In addition to your steps or calories burned, the Amazfit GTS 2 also records sleep data, which you can view via the app for iOS and Android. The Amazfit GTS 2 is connected to the respective end device via Bluetooth, saves battery power thanks to Bluetooth 5.0 (Low Energy) and, as a further highlight, has the option to talk to Alexa by connecting the smartwatch to the inhouse network via WiFi.