GPS bus station auto announce

Want to auto announce any audio to introduce sight spot? Want to auto announce audio at any coordinate? Want to auto announce any audio file at appoint longitude and latitude? Want to manage your bus station well? Want to auto announce video? Please inquiry us Tamo Technology Co.,Ltd offer GPS Public Transport Auto Announce&Advertisement device, The best choice for the public transport system,such as: bus,tour guide bus,metro ,train Etc. Auto announce the audio,video advertisement,information by GPS. Easy to manage your public transport system Easy update your advertisements Newest Technology Simple Installation Lowest Cost Wifi