ROCK B301 Bluetooth FM Transmitter ( $19 )
- Type: Car Charger & Bluetooth
- Input Voltage: DC12/2.4A
- USB 1: 5V==3A , 9V==3A , 12V==2.4A
- USB 2: 5V==1.5A
- Type-C Output: 5V==3A , 9V==3A , 12V==2.4A
- Total: 36W