--Bluetooth V1.1 compliant --10 hours continuous working time and 300 hoursstandby time. --Compatible with various Bluetooth enabled devices such as mobile,phones, PDAs and Laptops. --High performance Li-Polymer rechargeable 700mAh --Cold/Warm/Hot start time: 60/38/12 sec --Communicate with host platform via Bluetooth Serial Profile. --NEMERIX high performance chipset --16 channel parallel tracking --Supported NMEA 0183 command. --4 LED indicators to show status of Bleutooth/GPS/battery/charging