Bluetooth Version:
v5.1
Bluetooth Chipset:

AC6952D4 

Bluetooth Profiles:

AVRCP, HFP, A2DP 

Frequency Range:
87.5-108.0MHz
Input:
DC 12V-24V

QC3.0 Output: 

 5V/3A, 9V/2A, 12V/1.5A 
Microphone Sensitivity:
~38dB
USB-C Output:
5V/3A, 9V/2.22A, 12V/1.67A (20W PD)
Music Format Support:

MP3 / WMA / WAV / APE / FLAC 

USB Flash Drive Capacity:
up to 64GB
Operating Distance:
8m