Check the listing for details. Transmisor de FM Bluetooth Para Carro Auto Radio Aux Manos Libres Adaptador. Color: Black, Condition: New. Listed at 16.50 USD. Better Hands-free Calling - CVC noise cancellation reduces background noise and offers clearer hands-free calling to ensure safer and more reassuring driving. And Bluetooth 5.0 provides a more stable connection, faster transmission. Answer/hang up/reject/recall all in one button, you can take a phone call easily and safely with this Bluetooth FM transmitterDual USB Car Charger - This Bluetooth car adapter enables you to quickly charge 2 devices at the same time. 3.1A smart charging port that intelligently assigns charging current to each device. The overcharge protection function keeps your phone safely charged all the time, protects a battery from overcharging3 Music Play Ways - This Bluetooth FM transmitter for car supports Bluetooth/USB disk/Micro SD card 3 music play mode, supports A2DP stereo music play, you can enjoy FLAC/WMA/APE music while charging, make your trip have more funDriving with Smart Voice Service - This Bluetooth FM transmitter supports Siri/Google voice assistant. With navigation, the broadcast function will help you find destinations more quickly and conveniently. This Bluetooth car adapter will automatically monitor car battery voltage when plugged into the car outlet port, always keep the battery healthySoft Breathing Light - The blue atmosphere light of this Bluetooth FM radio transmitter helps you find it easily at night and makes the interior layout of the car look more ambient