before the ring tone actually sounds,
so the girl about town can have her telephone on silent but will be able to see by her flashing fingernails when she has a call, the LED is programmed to flash when NFC (Near Field Communication) waves are detected - no batteries required! NFC is currently used in Android devices, mobile electronic wallets, and digital cash IC cards,
if your model of phone doesn't already have NFC functionality, not to worry as an app is available, six different designs are on offer at the moment, the LED sticker itself is very unobtrusive when it's not flashing – it's just 0.5mm thick, I wonder if they will make them in clear for the boys?
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