SmartFrame: NFC Digital Picture Keychain with Screen Display

Brand: waveshareCompatible Devices: SmartphonePlatform: AndroidModel Name: 1.54inch NFC-Powered e-Paper (BW)Graphics Card Interface: PCI ExpressMemory Slots Available: 2System Bus Standard Supported: SATA 3Manufacturer: WaveshareRounded Metal Border, Nice Looking, Stunning QualityPassive NFC Solution, No Battery Required, No Messy WiringWireless Powering & Data TransferFeatures Corner Hang Hole, Ideal For Handbag Decoration, Key Fob, Etc.Suitable For Smartphone / Key Fob, Contact Card QR Code, Hanging Ornament...