Cross-Border ZQS4239 Dual 4inch Multi-Functional Subwoofer Portable Outdoor Bluetooth Mobile Square Karaoke Speaker Durability Upgrade

Brand:other,Applicable Scenarios:other,Time to market:2025,Connection method:Bluetooth Connection,Frequency Response Range:100HZ-20KHZ,Signal-to-noise ratio:Below 60dB,Number of speakers:2 pieces,Effective Range:10m,Material of the box:Plastic,Appearance size:166*166*410m,After-sales service:Shop Three Guarantees,Item Number:4239,Color:Black with wheat,Is it for export?:This product is for foreign trade purposes only and may not meet domestic product standards.Please be cautious when purchasing domestically.,Power supply mode:USB,Main downstream platforms:other,Main sales regions:other,Is it exclusively for cross-border export supply?:yes,Is it a patented source product?:No,Waterproof rating:Not waterproof,Bluetooth version:5.0,Built-in Battery Capacity:1200mAh-2000mAh included,Rated power:16W,Product Net Weight:1.7KG,Rated voltage:3.7V,Additional features:Card Slot,Authentication Type:other,Does it have a built-in battery?:Built-in battery