When buying a digital photo frame, these basic features should be considered:
1, Display size: Usually digital photo frame screen size is 7 inch, 8inch, 10 inch, 13 inch,15 inch.
2, Resolution: We suggest to buy 1024*600,1280*800 or even higher resolution like 1080P Full HD(1920*1080) screen.
3, Aspect Ratio: Usually two kinds aspect ratio 16:9(good for smartphone photos and videos, widescreen) and 4:3(fit for digital photos by DSLR, standard)
4, Built-in storage: Recommend 4GB or greater to store more pictures.
5, Connectivity: Digital photo frame provide at least one connectivity from USB, SD card, WiFi, Bluetooth.WiFi enable digital frame is easy to sync pictures.
6, Frame: Most digital photo frame use plastic, aluminum, brass, wood or glass frame.