Red light solid on while charging. After fully charged red light will snuff out. Bluetooth LED: Light turns off when Blue tooth connection is off. Blue light solid on when Blue tooth connection initiates. Blue light blinks if Blue tooth connection succeeds. Temporarily press this to turn on/off Bluetooth. Press and hold this to turn power on/off. 2 Part 2 Features WBT-200 is the GSP receiver with internal antenna. u-Nav + iTrax 03 used in its core is high-tech component and included function of