Name: Trendy Smart Watches Color: Black Compatible OS : Android & iOS Features : Touchscreen Model : Lorcan Lorcan Series T55 Smartwatch Smartwatch Multipack : 1 This fitness band will only work after installing fitness band application from play store.TO set time of watch you have to install a fitness band application.YOU will receive a bar code Please scan it to download the application. Switch ON Bluetooth and location while connecting the fitness band from the app. Don't connect the band directly with Bluetooth u need to connect it from APP. How To Set Time & Date- Need To Install APP To Set Time & Date Only Then it Will Work.No calling and SMS read or typing feature u will Receive only notification. cal Received /reject can be done with it.