The JVC KD-X850BT 2-DIN Mechless Tuner offers the convenience of 2 phones full-time connected via Bluetooth, so calls to either phone can be received easily with the push of a button. Up to 5 phones can be connected simultaneously to the JVC KD-X850BT for music streaming. The JVC KD-X850BT is equipped with K2 technology to up-convert any audio file, 13-band equalizer, digital time aligment and remote control via JVC's app. These features make the JVC KD-X850BT great value for money. 5 BT-Audio Connection (JVC Streaming DJ) Bluetooth for Handsfree calling and Music Streaming Bluetooth 2 Phones Full-Time Connection External mic for handsfree calls Android Music Playback (AUDIO MODE and AUTO MODE) iPod/iPhone Music Playback