BJBJ BS-EL 12 Bluetooth Speaker

6966B+8691R*2+line light
Power: 20*2W
Bluetooth version: 5.3
Transmission range: 10M
Bluetooth frequency: 2402 MHz - 2480 MHz
RF output power: < 1.82dBm
Audio input: ø3.5mm socket
BT connection/TWS connection
USB/TF card reader
Power input: 5V 1A
Battery play time: 4.5H @50% volume
Battery: 3.7V 3600mAh
Speaker: 4Ω 20W * 2PCS
Battery: 3.7V 3600mah 4mos
Use time: 1.5-2H (100% volume)
4-5H (50% volume) Charging cable: 1 meter 2A FM radio without auxiliary line