Zealot s78 has a four speaker legendary shocking super Bass effect for outdoor event as well as in door entertainment.
Very portable to carry.
Uses different connectors from USB to card reader
ZEALOT S78 Bluetooth Speaker Portable TWS Stereo Waterproof Subwoofer 100W High Power Playing time Up to 12hr
ZEALOT S78 100W Waterproof Stereo Speaker Built-in 24000mAh Rechargeable Battery, Handsfree, Shockproof, TWS, Subwoofer for Indoor and Outdoor Use