For those of us that like to travel extremely light, Thanko has introduced what may be the smallest MP3 player you've ever seen. The Micro Sports MP3 Player is so tiny that it's likely most onlookers will assume you're wearing a Bluetooth headset rather than a full-fledged portable media player.
The device comes in 2 gigabyte and 4 gigabyte configurations, supports Windows and Mac OS, and connects to your computer via USB. The device also lets you to connect another earpiece for your other ear allowing you to achieve stereo sound. You can pick yours up for just 4,980 yen ($55) here.