At the same time the wireless connection of 2 mobile phone calls to the mobile phone music wired wireless walkie-talkie GPSMP3. One, ... phone, telephone, mobile phone to realize listen to music; wired wireless walkie-talkie, GPS, MP3 and other sound equipment, setting priorities ... has been installed in the machine body 1), MP3, GPS connection line 1, a horn pad high double-sided adhesive sponge ...