This item is a specially designed multipurpose car phone charger. It can be a transmitter and charge phone at the same time. It fits to both 12V and 24V lighter socket. Easy to assemble and use, especially, it is very kind to the car without function. Plug the audio cable to your car and pair your phone with phone charger. Then your car listening to music which is downloaded or online from your phone. Feature - The integrated microphone and multifunctional button allow you to answer to phone calls hands-free. - Compatible with almost all compliant devices by A2DP profiles. - There is a 2.1A usb port to charge your phone. - It allows you to play the music. Even the car has no function. - It has a magnetic base and adhesive tape for mounting. Specification - Color: Black - Material: ABS - Size: Cable length: 88cm/34.6inch; Audio cable length: 23cm/9.1inch Extension cord length: 105cm/41.3inch - Version: 3.0 - Output: 5V/2.1A - Working Range: 10M/33Feet - Support Protocol: A2DP,AVRCP - Suitable for AUX-In car - Frequency Response: 20Hz-20kHz - Backlight Button. - Support function: FMtalk, Music playing control, Voice Assisstant Package list: 2 in 1 FM Receiver Car Kit with Magnetic Base Adapter Car Charger 2 x Extension x User Manual