... to Bluetooth4. It is can be switched from two way radio into mobile phone by hands , it will ... phone , GPS or stereo invoice and the other Bluetooth two way radio earphone 6. Answer the phone , refuse the phone , ... play , It Could be switched from Bluetooth two way radio into mobile phone ‘s answer or hang up ... ‘s suggestive invoice , invoice dial , TTS function . bluetooth two way radio earphone BT-02