Topblue Industry Co.,Ltd. is a professional manufacturer and exporter of bluetooth products, from leading edge Bluetooth GPS data logger to traditional bluetooth headset. With the main sales office in the heart of global electronic goods center - Shenzhen / China, we supply Bluetooth Wireless (headsets, dongles, car kits, speakers, etc.), Bluetooth GPS Receiver (16 channels, 20 channels, 54 channels, 65 channels), Bluetooth GPS Data Logger and GPS/GSM Tracker (Personal GPS tracker and Vehicle GPS tracker).