JQS912L Wireless Bluetooth Speaker System with USB/TF/FM/AUX, Remote Control, 12-inch Speaker, 50W Power, 18650 Lithium Battery, and Wireless Microphone

With BT/USB/TF card//FM/AUX/with remote control (but the motherboard does not need to be equipped with a receiver head) + with display screen (but the motherboard does not need to be equipped with a display screen/no screen driver IC, only 4P/1.25 pin socket) + USB with 5V voltage regulator/no lithium battery protection/potentiometer volume
+ with wireless microphone function-DC5.5*2.0 socket+XA8879D amplifier+treble/, speaker function
Speaker: single 12-inch
Power: 50W
Battery specifications: 18650 lithium battery pack 7.4V/4000MAH
Accessories: wireless microphone. Charging cable. Remote control