Garmin GPS 10x Sensor for Blackberry Wireless Bluetooth receiver for turning BlackBerry into world-class GPS navigator High-sensitivity GPS receiver interacts with Garmin Mobile subscription and software Offers access to detailed turn-by-turn directions, maps, and points of interest Supports free wireless data services with dynamic content; 22-hour battery life Measures 3.04 x 1.65 x 0.7 inches (W x H x D); 1-year warranty