FM modulator for car BC40Q (QC 3.0, micro SD, hands-free)

FM modulator with fast charging function. This modulator is designed to transmit MP3/WMA format audio files from a USB flash drive, MP3 player or smart device to the car radio via FM radio waves.
Features:
Music transmission via FM radio waves to the car radio.
This product has two USB output ports. Two devices can be charged at the same time.
Charging via USB port: 5V/1A.
Fast charging via USB Qualcomm 3.0 port 5V/3A.
Hands-free functions: answer, call hold, reject, redial.
Supports 2 mobile phone connections simultaneously.
Car battery voltage detection.
Automatic memory function when power is turned off.
Echo and noise cancellation technology.
Voice navigation is supported.
LED display. Microphone.
Available sources for music:
USB flash drive.
Micro SD card (up to 32GB).
U-disk storage capacity (up to 32GB).
Bluetooth version: 5.0+EDR.
Technical data:
Nominal operating voltage: 12-24V.
Operating voltage limit: 8-32V.
USB1 output: 5V/1A.
USB2 output: Qualcomm® Quick Charge3.0, maximum output parameters: 5V / 3A.
Noise cancellation technology (DSP and CVC).
Signal-to-noise ratio: > 60 dB.
Accuracy of displayed battery voltage: +/-1V.
FM frequency range: 87.5-108.0 MHz.
Effective distance from microphone: 0.5-2 m.
Bluetooth audio processing: A2PD support.
Supports formats: MP3 / WMA / WAV / FLAC / APE.
Transmission distance: 2m.
Note: For better sound quality, choose a radio station frequency that is as far away from another station as possible.
Warranty: 24 months