Scheduled to hit the Japanese market June 12, the SONY GU-BT1 is a Bluetooth-compatible GPS receiver/transmitter unit especially designed for Sony's Bluetooth CLIE PDAs.
The personal GPS unit measures 60x89x18mm, weighs 72g, and is capable of running continuously for up to 12 hours on a single recharge.
Price will be around 31,290 Japanese Yen (which is roughly $280 USD).