Yamaha is introducing its ‘BODiBEAT’ in Japan, the first mp3 player that synchronizes your music to the movement of your workout. The device changes your song to match the pace of your workout and keeps your beat. It will work with standard audio files such as MP3, WMA and AAC.

BODiBEAT comes with a 1-inch OLED display and 512MB built-in memory, and offer you 9 hours of battery life.

BODiBEAT measures 75.7×38.0×20.1mm at 65g and it’s available in Japan for 9,800(JPY).

[via Aving]