The ON - MA01-AMS features a 46mm solid aluminum case, a 22mm stainless steel band, and an IPS 1.3 inch HD display. Its battery lasts up to 3 days depending on usage. With its Fundo Health app (available on iOS, Android and App Gallery), you can answer and make calls directly from your watch. The watch will notify you of incoming messages and other notifications. You can also monitor your heart rate, sleep, blood pressure, oxygen, and ECG. Take advantage of the pedometer, multi-sports programs, and the phone anti-lost and phone camera connected functions. Lastly, you can enjoy BT Music straight from your watch!