... controller a walkie-talkie GPS and MP3, noise resistance.High qual The function of v5s:One, implementation of Bluetooth wireless multi- ... volume, long press end number redial.Six, increase the walkie-talkie wireless PTT function:The function of the premise must be ... handheld walkie-talkie with BMD-01 Bluetooth adapter, adapter and walkie-talkie connection, an PTT is mounted ...