... logger OL16, a high-tech product combines the advanced Bluetooth technologyand GPS technology. Through, Bluetooth technology, you can receive and storage GPSdata ... PDA, laptop and desktop. Can be used forlocation,navigation,read the history of track records, and other applications 1.Track Record ... 45.8mm*18.8mmScope: personal, vehicle, pets. gps tracker with Bluetooth GPS Receiver& Data logger OL16