We are leadertone industrial based in Shenzhen , China. We are member of exporthub.com since November, 2010. Our business is related to Security & Protection industry and we specifically deal in gps. Please find our product details below:gps with Bluetooth/ AV-INGPS with GPRS function / AV-IN/ FM , 4.3inch/ 5.0inch/ 6.0inch/7.0inch .with gps function , which is the basic thing ; with GPRS, there's the telecommunication function ; and with bluetooth , it can be easily connected with your other equiptment with bluetooth function .gps with Bluetooth/ AV-INGPS with GPRS function / AV-IN/ FM , 4.3inch/ 5.0inch/ 6.0inch/7.0inch .with gps function , which is the basic thing ; with GPRS, there's the telecommunication function ; and with bluetooth , it can be easily connected with your other equiptment with bluetooth function .Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.