Original Azeca (formerly known as Alva) Universal Stereo Bluetooth In-Car FM Transmitter w/ Built-In Mic, BTC008 - Gray/ Black Music was made to flow through your speakers. So, why is it trapped in your smartphone, iPod, or MP3? Free your playlists with AZECA Stereo Bluetooth In-Car FM Transmitter. Just pair this Bluetooth transmitter with your smartphone or other Bluetooth enabled device, match the transmitter’s FM frequency to your car stereo’s FM frequency, and listen! Or need to take a call? Just press a button and start talking. The built-in microphone lets you talk hands free. Hang up, and your music picks up where it left off. It’s that easy! Plus, a built-in USB jack lets you charge your smartphone while listening. Original Azeca (formerly known as Alva) Universal Stereo Bluetooth In-Car FM Transmitter w/ Built-In Mic, BTC008 - Gray/ Black features: Answer smartphone calls, redial, or mute Built-in mic for hands-free communication Easy-to-reach controls for volume, next/previous track, and pause Integral USB jack for charging other devices Adjustable gooseneck design for easy viewing Auto-scan finds best FM frequency Line-in jack for standard devices Automatically pairs with last Bluetooth device Bluetooth profiles (V2.1): A2DP, AVRCP, HFP, HSP Includes: Bluetooth receiver/FM Transmitter Gooseneck plug 3.5mm male/male cable User's manual (English/Spanish) Brand: AZECA (formerly known as ALVA) Product Number: BTC008 Color: Gray/ Black **Device, if pictured; is NOT INCLUDED Original Azeca (formerly known as Alva) Universal Stereo Bluetooth In-Car FM Transmitter w/ Built-In Mic, BTC008 - Gray/ Black