4.2" NFC-Powered E-Paper,Adopts Novel Passive NFC Technology,No Battery Required, No More Battery Life Trouble
Wireless NFC-Powered Display Refreshing,No Messy Wiring, Stable Operation, Fast Refreshing
How It Works:To Refresh The Display Content,Use A Smart Phone With NFC Function, Or An NFC Reader, Close To The E-Paper For Both Wireless Powering And Data Transfer
Feel The Magic.Refreshed By Smartphone, Comes With Android APP, As Easy As Swiping A Credit Card
Application Examples，Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, Conference Name Tags...