The CACBTKIT is a 2in1 cigar-lighter car charger equipped with a Bluetooth receiver. This car charger establishes a Bluetooth® connexion to any car radio which do not benefit from it, and allows to restitue phone calls, audio contents without wired connexion. It allows you to listen music from your smartphone, tablet, or from any other devices able to establish a Bluetooth connexion. Does not require any software, you just need to plug it to your car radio's jack input. The extra talent: it turns on automatically when your car engine starts! - 2 USB ports car charger (1.2A & 1.2A) - 4.2 Bluetooth technology - Twisted jack audio cable (extensible from 30cm to 1m)