•Output power: 30W (20W + 5W x2)
•Frequency: 100Hz-20Khz
•Signal to noise ratio: ≥85db
•Output impedance: 4 Ω
•Input voltage: DC 5V-1A
•Battery capacity: 3.7 V, 2000 mAh
•Speaker size: 4 "+2.5" * 2
•Product size: 355 * 160 * 210mm
•The product supports: bluetooth, auxiliary input, USB, TF cards, recording, FM radio, equalizer, remote control, microphone.