Product Descriptions:Bluetooth 4.0 car kit for all smart phone
Play stream music, handsfree for call, start siri and other voice assistant
MIC in the middle of it,you can answer phone safely when you driving
don't need battery, power supplied by one two ports USB car charger
clip it on car air vent by metal clip or adhesive on dashboard by a sticker
with CSR 8635 bluetooth 4.0 IC.
AVRCP :V1.4; HFP:V1.6;A2DP:V1.2;HSP:V1.2;Noise cancellation mic.
two port USB car charger, out put is 2.1A. You can charge two devices together
CE,ROHS and FCC certificates