1.54-Inch NFC E-Paper Keyring Display

Change a small keyring display without charging a built-in battery. This 1.54-inch NFC e-paper accessory receives its update through a compatible NFC device and keeps the last image visible afterwards.

✅ Update the display through a close NFC connection - A compatible phone or reader supplies the data and refresh energy.

✅ Keep the last image without continuous power - The e-paper screen retains its displayed content between updates.

✅ Carry a small personal display with the keys - The hanging hole gives the enclosed module a key-fob or bag-ornament position.

Check NFC Device Support Before Choosing the Image

A passive display is useful when the content changes occasionally rather than behaving like a video screen. Prepare the supported image in the compatible app and keep the NFC device close while the update completes.

This version is specifically described as unsupported on Apple iOS and Samsung smartphones. Confirm another supported device or reader before ordering. Refreshing takes time and requires a stable connection; it is not a Bluetooth screen or a continuously animated display.

Technical details

• Type: NFC-powered e-paper keyring display
• Screen: 1.54 inches, 200 × 200
• Power: NFC during refresh; no internal battery
• Housing: enclosed module with hanging hole
• Update: supported app/NFC device
• Compatibility exclusions: Apple iOS and Samsung phones described
• Package: one display

Check NFC compatibility and carry a small image that stays visible between updates.