E Ink Display, 4.2 Inch E Ink Screen, for Mobile APP(Ink Screen)
by ASHATA
- Smartphones or card readers with near field communication function can be near this product to ly power and makes the display content refreshed while the display needs to be refreshd., With guaranteed quality, e-ink display supports simple installation, which can be used with confidence., No battery environmental protection and energy saving, mobile APP keeps simple operation, supports new passive near field communication technology transmission, beautiful and thin with high-quality ABS shell., Adopts new passive near field communication technology, such 4.2-inch electronic ink screen has no need of built-in battery power consumption, no trouble of battery life., To work stably, this e-ink screen keeps new passive near field communication brushing technology adopting passive near field communication scheme, which is no need for built-in battery and no cumbersome wiring.