ITEM NAME:Car MP3 Wireless Bluetooth Handsfree Audio AUX with QC3.0 Dual USB Charge H.Support QC3.0 charging (USB1 + USB2 total 4A). USB2 output: QC3.0 (3.6V-6.5V / 3A, 6.5V-9V / 1.5A, 9V-12V / 1A). Bluetooth answer, reject, hang up, redial and other functions. Bluetooth version: Version 4.2 + EDR.
