GPS Tracker, Smart Fitness Watch, Smart Bluetooth Bracelet manufacturer / supplier in China, offering New launched China manufacture 4G IP67 waterproof smart GPS watch tracker with rotation menu button SOS emergency button live map monitoring D35P, China factory School safety Kids Watch GPS Tracker with Video Call D42C, New developed 4G network Student luggage accurate ID Card GPS Tracker with no disturb mode in class M16 and so on.