... Fashional design 2) Full fuctions 3) High resolution with competitive price 3.5 inch digital photo frame:1, ABS ... , menu key, a recovery key, a USB interface, 3, support for holding the format: JPEG / BMP / ... 4 inch, screen resolution: 320 × 240 TFT screen 5, support image slide loop 6, adjustable speed and slide ... shows 7, Power supply: Built-in 3.7v lithium battery with 5V USB external power ...