- For the universal radio transmission of Bluetooth signal sources such as smartphones or tablets to any car radio ,- Supports microSD cards and USB memory sticks up to 32 GB for playing back MP3 music tracks ,- Signals are transferred via radio at the car radio's specified VHF frequency (to be set manually on the transmitter). ,- The device always stores the last frequency used ,- Modulation type: FM ,- Power supply via integrated cigarette lighter plug ,- Two USB outlets for charging mobile devices with a total of 5V/3.4A (1x 2.4A and 1x 1A) - Model: FM Transmitter ,- Power Supply: Car Charger ,- Frequency Range: 87.6 MHz - 107.9 MHz ,- Colour: Grey ,- Suitable for: Mobile Phone 2 Years Warranty