Asus zenwatch 2 is the best smart watch at this price range battery backup is good last for 2 days great looks Prime in hands and also you can make calls through asus zenwatch 2 it is a great future in smart watch and I think only to watch support this feature that are available in the market only the one thing is missing in this watch is heart rate sensor what is the best quality in terms of leather strips dad feels good in your hands speaker for song send notification is included in ringtones is excellent the performance of this watch is the best