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hi my name is Raj from RCE today we go to unbox d13 or d13 smart vent also known as t13 smart watch we gonna unbox check which application need to be downloaded download the application install it in mobile phone features check and see how it functions so let us unexposed here is a d13 wide unboxing you will get one smart trend strips and user manual behind you can see sensors side one side there is a metal pin so these metal pins are used for charging purpose so you can take any of the mobile adapter at your home these pins touches inside two pins if you insert it wrong with this way this will not charge you have to insert it in a right way and it will start charging alternatively you can use USB ports directly to charge or laptop USB for charging purpose so let me charge it here if you see it is starts charging so let us get it charged for 30 minutes to one hour and then we will conti