Wireless Convenience: Experience the of displays with our 2.13-inch NFC-powered e-Paper. This requires no battery, as it harnesses the power of NFC for both powering and data transfer. Versatile Display Colors: Our e-Paper supports a four-color scheme including red, yellow, black, and white, making it ideal for various display applications that require vibrant and clear color representation. Eco-Friendly Technology: With no battery needed, this display reduces waste and environmental impact, offering an eco-friendly alternative to traditional electronic displays. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:As Shown Material:ABS Package Contents: 1 * 2.13inch NFC-Powered e-Paper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.