Creative & Interesting Ink Screen Keychain Toy Personalized Gift Gadget

Product parameters:
Display size: 27x27mm
Dimensions: 47.84x41.28mm
Power supply: wireless power supply
Display color: red/white/black
Dot pitch: 0.138x0.138
Grayscale: 2
Resolution: 200x200
Viewability: >170°
*Note: This product is not compatible with Samsung phones.