Sony SmartTags NT3 - NFC tag kitTouch your home Xperia SmartTag to turn on Wi-Fi. Launch weather app. Or turn phone sound on. Bedtime? Touch the bedroom Xperia SmartTag to mute your phone. Turn on its alarm or turn off Wi-Fi.Hop in your car and touch its Xperia SmartTag to turn on GPS or Bluetooth. You can even launch Google navigator. Start up one, two, all three tasks - or more. Busy? Want to save precious time? Touch your office Xperia SmartTag when you get to work. it'll turn on Wi-Fi, Bluetooth - or launch your calendar app. Automatically start events with a simple touch. when you get home and in the bedroom, It's up to you.Product Description: Sony SmartTags NT3 - NFC tag kitProduct Type: NFC tag kitIntended for: Cellular phonePackage Content: NFC tag (black), NFC tag (white), NFC tag (purple), NFC tag (lime)Dimensions (WxDxH): 1 inWeight: 0.1 oz