Itwas amzing invantion in history it has unique design and many more , it has metallic back and waterproof watch you will wear wacth and play, swim , runor activites do not damage watch and they show live heartrate, you will connect easily to your smart phone They work as smart phone watch play song, video, fmradioetcYou will purchase at paytm mall app and get cashback offerThey start from Rs450, 500, 600+ rs and many different varritys