Headphone Accessories -USB Car Charger Bluetooth V5.0 FM Transmitter QC3 Highlights Generic Brand USB Car Charger Bluetooth V5.0 FM Transmitter QC3 Description: Dual USB3.4A fast charging battery voltage detection. Support Bluetooth music / TF card / U disk play, support Bluetooth hands-free calling. LED screen to show frequency, song number and working status information. Support folder change playback, song classification and playback function. Support power-off memory function. 2 mobile phones are charged at the same time, support while listening to songs and charging. Noise cancellation function, built-in noise cancellation circuit, making the call sound clearer. Specification: Dual USB3.4A fast charging battery voltage detection. Support Bluetooth music / TF card / U disk play, support Bluetooth hands-free calling. LED screen to show frequency, song number and working status information. Support folder change playback, song classification and playback function. Support power-off memory function. 2 mobile phones are charged at the same time, support while listening to songs and charging. Noise cancellation function, built-in noise cancellation circuit, making the call sound clearer. Package includes: 1 x Car FM Transmitter 1 x User Manual