Car Bluetooth FM Transmitter with Hands-Free Calling
Your car stereo still works. It just can't stream or take calls. This compact transmitter plugs into the charging port and sends music from your phone or a TF card through the FM radio you already have. Answer calls with one click while the phone sits at the air vent.
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Your car stereo still works. It just can't stream or take calls. This compact transmitter plugs into the charging port and sends music from your phone or a TF card through the FM radio you already have. Answer calls with one click while the phone sits at the air vent.
Turn any car stereo into a Bluetooth audio system with hands-free calling
- Old car stereo lacks Bluetooth
- Need for hands-free calls while driving
- Playing music from TF card or phone in older car audio
Turn your old car stereo into a Bluetooth system
Stuck with a stereo that can't stream or take calls? Plug in this compact transmitter and your drives get music and hands-free calling in minutes.
Bluetooth and TF card for any old stereo

Bluetooth and TF card playback
Pair your phone once and the stereo plays whatever you stream. Prefer offline? Load a TF card and insert it into the slot. The audio goes out over FM to your existing speakers, so the sound comes from the system you already have. If you want a dedicated unit for the dash, see bluetooth for car audio.

One-click hands-free calls
Mount your phone on the air vent clip and answer with one click on the transmitter. You keep both hands on the wheel and your eyes on the road, and the phone stays out of your lap at red lights.
Plug in, pair, and tune in minutes
- 1Plug into the 12V port
Connect the USB adapter to your car's charging port, then attach the transmitter. The LED display lights up when it has power.
- 2Pair your phone
Turn on Bluetooth on your phone and select the transmitter. After the first pairing it reconnects each time you start the car.
- 3Tune the FM frequency
Scan your stereo for an empty FM station with no static. Set the transmitter to the same frequency and raise the phone volume before you fine-tune the stereo.
What comes in the box
- Bluetooth FM transmitter unit×1
Carbon-fiber textured housing with LED frequency display, TF card slot and USB port
- USB adapter×1
Powers the transmitter from the car's charging port
Your stereo, one small plug-in away
The stereo that can't keep up
The CD player is full of scratched discs and the radio is hit or miss. Your phone holds the playlist you actually want, but the stereo has no way to reach it. Calls come in on the highway and you let them go, because reaching for the phone at a red light is the only option you have.
One small plug-in changes it
This transmitter is small, with a carbon-fiber textured housing and a digital LED that shows the FM frequency. It takes power from the USB adapter and sends your audio over FM to the stereo you already own. Nothing gets replaced and nothing gets cut into the dash.
Drives that feel modern again
Music starts from your phone, or from a TF card when the signal drops on a long road. When a call comes in, one click on the transmitter answers it while the phone sits at the vent and your hands stay on the wheel.
What to expect after setup
- First useConnected and playing
Plug in, pair your phone, tune the FM frequency to a clear station, and your music plays through the car stereo.
- 3 usesFrequency feels natural
By the third drive you know which FM frequency is clearest on your usual routes and can switch to it quickly.
- 30 daysPart of the daily drive
Music and hands-free calls become routine on commutes, without the phone in your hand.
Cheaper than a head unit, no install
| This transmitter | Head unit replacement | Cassette or aux adapter | |
|---|---|---|---|
| Keeps your current stereo | — | ||
| Installation needed | — | Partial | |
| Hands-free calls | — | ||
| TF card playback | Partial | — | |
| Bluetooth music | — |
Characteristics
Reviews
Questions and answers
It works with any car stereo that has an FM radio tuner, which covers most cars built before Bluetooth became standard. You tune the stereo to an empty FM station, then set the transmitter to the same frequency. The LED display shows the frequency so you can match it quickly.
Yes. The unit is compact and the air vent clip lets you mount your phone at the vent for calls, so the phone is out of your way and the stereo controls stay reachable.
Audio goes out over FM, so the stereo's speakers play it at the quality of your existing system and a clear frequency. A new head unit will sound cleaner. The trade-off is cost: a head unit swap costs far more than this set and needs installation, while this one is plug-in and keeps the stereo you already have.
Yes. Load music onto a TF card and insert it into the slot. It plays without a phone connection, which is useful on long drives where the signal drops.
Calls that come in through your phone, including navigation-app calls, are answered with one click on the transmitter. If you also want a simple cable option for a basic player, see aux bluetooth connector.
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