Description: *1. Working Voltage: 12-24V *2. Current: 3.1A(Dual USB) *3. Display: digital *4. Frequency: 87.5-108MHz *5. Effective Distance: about 10.5 meters *6. Bluetooth: Bluetooth 5.0 *7. Memory Expansion: U disk (Up to 32G) *8. Launch Distance: <5m *9. Shell Material: ABS Features: *1. Directly powered by a 12/24V car cigarette, the car transmitter is fast and convenient for owners to play music via BT5.0 connection, or, plug in a memory disk(not included) with your favorite songs in it. *2. Dual USB ports for Max. 3.1A output, you can charge two devices fast at the same time through it. *3. Built-in noise-cancelling microphone provides clear and high quality sound when making a phone call. *4. Real-time monitor the car battery voltage, then display it digitally and clearly. *5. Knob+Keys convenient operation to adjust the volume, switch songs, answer/hang up, and more. Package Includes: 1 x Car Transmitter