The HS-B02 is a portable GPS which can be compatiable with the PDA, PC & Cell phones. This item is a total solution of GPS receiver with Bluetooth wireless transmitting ability, designed based on RFMD indoor high sensitivity (HS-B02) GPS architecture. The HS-B02 is a new generation GPS technology. We design specially with patented auto ON-OFF function. Once being placed in the car, never need to take care of it. When launching your car, it turns ON automatically. Same situation about the OFF function. We make wireless different from what you've ever heard. Furthermore, the EASY-PLACE makes it stay has your HS-B02 stay steadily in the car, no matter how sharply you turn or how suddenly you stop the car. It can be taken away for outdoor use purpose as well.