Description

Connectivity: Bluetooth for syncing with smartphones, plus standalone SIM card support for calls/SMS on many models (Android/iOS compatibility varies). Health & Fitness: Pedometer (step counting), sleep monitoring, sedentary reminders, and often heart rate/blood oxygen monitoring. Media: Music control, audio playback (with TF card), and sometimes a built-in camera for photos/video. Notifications: Call reminders, message alerts, and app notifications. Convenience: Calendar, calculator, stopwatch, remote camera shutter.