*Bluetooth Chip version: V5.4
*Supported protocols: A2DP, AVRCP, HFP, HSP
*Frequency range: FM87.5 ~ 108.0MHz
*One-key EQ subwoofer
*LED breathing light circle
*FM transmission distance: about 5M
*Voltage input: DC12-24V
*Current output: USB output current: 3A + PD30W
*U disk / TF card (maximum capacity): 32GB
*Product weight: 37g
*Low voltage reminder: flashing reminder below 12V