Zealot S89 250W Portable Bluetooth Speaker Subwoofer 48000mAh

Blue tooth version: 5.3 Charge voltage: DC5V 5A Transmission distance: 10M Frequency response: 20Hz-20KHz Outpower: 250W S/N: ≥90dB Working voltage: 14.8V Distorsion: <1% Battery capactiy: 48000mAh