Bluetooth GPS Receiver 
Simply Noticeable, Anywhere, Anytime
》Up to - 159dBm tracking sensitivity in GPS L1 band based on
    SiRF Star III Technology 
》20 Channel GPS Receiver for fast accurate positioning 
》Bluetooth V2.0 + EDR transceiver, Class 2 
》Compatible with Bluetooth Serial Port Profile (SPP) 
》Operating range, up to 10M (33ft.) 
》950mAh rechargeable Lithium-ion battery 
》Up to 10hours operation from single charge 
》Embedded high-sensitivity internal GPS and Bluetooth antennas