Bluetooth GPS Receiver & Hand-free Car Kit (2 in 1) Through bluetooth technology, it transmits satellite navigoction information to the portable devices with bluetooth function such as notebook. PAD. Mobilephone, ect. The bluetooth GPS receiver jd-BG008 features super slim, liglt weight and portable. It can receive up to 16 satellites_information at the some time. Positioning sensitivity around 3 or 5 meters. It supports externel antenna. With its powerful lithium battery. It can work continuously up to 15 hours. If not enough. It can also be powered with its accessories such and travel charger; The jd-BG008 Simultaneously support carkit HFP/HSP; Support echo cancellation. Voice Transmits: By FM Voice Receives: By radio.