Other Audio Accessories. Bluetooth FM Transmitter Chargers to type-C 3.55mm audio adapters can be found here! Baseus makes great other audio accessories that make your life oh so much better! Maybe you’re jealous that all your friends have Bluetooth in their cars! Well now you can too! With our Bluetooth FM Transmitters that plugs right into your cars power outlet! In addition to being an FM Transmitter it doubles as a dual USB charger! So now you can invite all your friends to plug in, connect and jam to their favorite tunes straight from their phones! All while charging their phones! Take a look at all our great products listed below!