1.Speaker 8''x2+3''x1
2.Bluetooth V5.0
3.Power RMS (Watt) : 30W
4:SNR 80dB
5.Frequency:80HZ-18KHZ
6.Play USB & TF card 
7.1 mircophone jack/wireless optional
8.AUX-IN (3.5mm)
9.Radio Tuner: FM
10.Built-in rechargeable battery
12v 4.5ah
11.LED screen display
12.DC 15V 2A charging
13.Comptible with bluetooth / smartphone/ tablets/PC/ notebooks