Hands-free phone charger dual USB interface compatible with all smartphone MP3 audio music adapter wireless Bluetooth FM transmitter radio receiver <p>Music Power Adapter and Player: The wireless Bluetooth FM transmitter adapter supports Bluetooth / USB disk / TF card / MP3 / WMA player. With anti-interference performance and CVC technology. Listen to music while charging. Automatically pair the device with the memory when connected to power. Supports WMA MP3 WAV music format. Mono sound quality reduces background noise and makes the conversation clearer.</p> <p>More Compatibility: This Bluetooth cigarette lighter adapter can transmit calls / MP3 music / phone voice to the car radio. Compatible with iPad, iPhone, Samsung Galaxy, Google, LG, HTC and Bluetooth devices. By pairing your device with a transmitter, you can stream music, podcasts, audiobooks, voice navigation, or other audio content from your device to the car radio. Hands-free Function: The car Bluetooth adapter has a built-in microphone and call processing that automatically switches to hands-free mode when an incoming call is received from a music playing status. Connect / reject / hang up / redial are all concentrated in a single button. This allows for hands-free conversations while driving. The FM transmitter broadcasts conversation audio through the car speakers, ensuring clear communication without handheld mobile devices. Car Battery Voltage and Portability: When you plug the car Aux Bluetooth adapter into the jack, a voltage display will be displayed for 3 seconds. Always keep the battery healthy. Then it will switch to automatic play mode. The Bluetooth transmitter features a compact and portable design, allowing users to easily move the transmitter between vehicles and even use it in a rental car or a friend's vehicle.</p> <p>Dual USB Car Charger: This Bluetooth car adapter has 2 USB charging ports to charge most USB devices (5V-3.1A and 5V-1A). 12V/24V input. This feature allows you to charge your mobile device while driving. This is especially useful when driving long distances or when you rely heavily on your mobile device for navigation or music streaming.</p> <p> </p>