AUX BLUETOOTH 5.0 ADAPTER Microphone C30 C70 S40 S60 S70 S80 V40 V50 V70 XC70 XC90 It is important that the radio has the option of switching AUX, then it will be possible to switch the sound to the bluetooth module. With this adapter, you can retrofit your car with wireless o transmission capabilities. The module supports bluetooth transmission version 5.0 and lower, making it compatible with all smartphones (android,,windows). The latest version bluetooth 5.0 allows you to stream music in the highest quality. The range is about a few meters. Connection: The adapter plugs in behind the radio, between the radio and the installation. The set is non-invasive, nothing needs to be picked, cut or soldered. You can always dismantle the module... The whole thing should take from 30-60 minutes. It can be permanently connected, because the current consumed by it is very negligible. The permanently connected module will remember the last paired device.