This product is specially made for Hifi amplifier or car audio/stereo.
Just connect the USB to the Power and plug the 3.5mm into the Hifi/Amplifier/car radio,
pair your phone with oue bluetooth module:SKY Bluetooth.
You can hear music from the speakers.
It can be used for any phone,pad,mp3,etc if only they have bluetooth function.
Cable length:100cm
CE APPROVED
ROHS STANDARD