Aspect Ratio: 4:3. Audio Support: No. Auto Image Re-scaling: No. Auto-rotation: No. Avi Video Support: No. Bluetooth: No. Brand: Praktica. Built-in Clock Function: No. Compact Flash Supported: No. Display Size: 2.4". Display Type: LCD. Features of Product: A versatile miniature digital photo frame with 2.4" screen that includes 3 different frame surrounds designed to easily snap on and off to suit both your mood or your decor. Choose from a modern blackened glass surround, a walnut effect surround or a gloss white surround. This stylish little unit makes an ideal travel companion. Your favourite pictures can be viewed singly or as a continuous slide show. The built-in flash memory will store up to 25 images. System requirements: Windows 98SE/2000/ME/XP/Vista.. Firewire 1394 Interface: No. Headphone Socket: No. Horizontal Display Resolution Pixels: Not specified. Interchangeable Frames: Yes. Internal Memory Kb: Not specified. Mains Adaptor Included: Yes. Mmc Supported: No. Mono or Stereo: Mono. Mp4 Video Support: No. No of Photos in Internal Memory: 25. Plug and Play: Yes. Power: Rechargable Battery. Remote Control: No. SD Card Supported: No. Sdhc Card Supported: No. Sony Memory Stick Supported: No. USB Interface: Yes. USB Memory Stick Support: No. Vertical Display Resolution Pixels: Not specified. Video Support: No. Wall Mountable: No. Wi-Fi: No. Wmv Video Support: No. Xd Card Supported: No.