OURSPOP OP-SP01-Car Kit Bluetooth in Car Hands-Free Car Kit with Dual USB Charging, Mic, NFC (SP01) Bluetooth 4.0 Frequency response: 20-20 000 hz Bluetooth frequency: 2402 MHZ ~ 2480 MHZ Bluetooth profiles supported: HFP, HSP, A2DP and AVRCP,Bluetooth rang: up to 30 feet Dual port USB 2.1A Car charger can charge 2 electronic devices in your car at the same time. NFC Match / MIC Control(Siri Voice Control),Can Match your phones quickly, Control the music next/up Multifunction button: Play, Pause or stop music, Music Play: Forward/Next Track, Volume up/+,Back/Previous Track, Volume Down/-.Required 3.5mm Jack NFC Match / MIC Control(Siri Voice Control),Can Match your phones quickly, Control the music next/up