About this item

• 4.2inch 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
• Application Examples: Suitable For Price Tags, Asset/Equipment Tags, Shelf Labels, Conference Name Tags...
• 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;Comes With Android APP, As Easy As Swiping A Credit Card
• Download resources: www.waveshare.com/wiki/4.2inch_NFC-Powered_e-Paper

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