Features include Bluetooth calling, a common contact list, and call recording.
Movement tracking includes a pedometer and various exercise modes like walking, running, and cycling.
Health monitoring functions cover heart rate/blood pressure measurement, sleep monitoring, and sedentary reminders.
The watch offers smart reminders for calls and messages from various apps (SMS/QQ/WeChat/Skype/Facebook/Twitter/Line/WhatsApp).
It typically has a large screen, such as a 2.03 or 2.2-inch display, and often comes with multiple interchangeable straps.