Japan’s Nikon Corporation present a combine of display screen, headphones, mobile A/V player, Wi-Fi capability, high capacity memory, and power source in a headset. They call it Nikon Media Port UP300x.This thing let you watch iPod movies, hear some music, and also brows a web! UP300x works with hands free because it has built-in move sensor, completed with 8 GB of flash memory, Wi-Fi b/g, USB port, 2 Sanyo Eneloop rechargeable batteries that last for two hours for video or 270 minutes for audio. Besides supporting the WMV9, MPEG-1, MPEG-2 video files, MP3, AAC, and WMA9 audio files, this device also compatible with HTML 4.01 Java script, flash version 7. They put around $587 for each. But for now, unfortunately you can find it only in Japan.