NFC Module-enabled E-ink Screen Keychain With Customizable Images

Product information:
Style: E-ink screen keychain [currently not compatible with Apple]
Power Supply: Wireless charging
Display Colors: Red, black, white
Dot Pitch: 0.138 x 0.138
Resolution: 200 x 200
Viewing Angle: >170°
Refresh Time: 8 seconds
Display Size: 27.00 mm x 27.00 mm
External Dimensions: 47.84 mm x 41.28 mm