Astrum FM390 wireless car FM transmitter with Bluetooth Ver. 5.0. Support dual USB output 5V- 2.1A & 1.0A

Astrum FM390 wireless car FM transmitter with Bluetooth Ver. 5.0. Support dual USB output 5V- 2.1A & 1.0A. Digital LED display for car battery voltage monitoring. Compatible with Bluetooth/Aux-in/ flash drive. Auto-connects with power-on without re-tuning the FM frequency. The user-friendly device connects with your Bluetooth device automatically once the power is on, without re-tuning the FM frequency.