Connectivity: Features include Bluetooth for connecting to other devices, Wi-Fi, and a SIM card slot.
Design: Some high-end models are built with premium materials like titanium and have a design similar to the Apple Watch Ultra, while other models have more traditional square designs.
Health and fitness tracking: Common features include heart rate monitoring, SPO2 (blood oxygen) monitoring, and multi-sport modes.
Apps: Models with Android-based systems can access the Google Play Store, while some models also include a browser for internet access and pre-installed social media apps.