Is it a patent source:no Power supply:Built-in lithium battery Logistics Services:Delivery Frequency Range:20Hz-20KHz Processing methods:OEM processing playback format:APE Is there a radio function:none time to market:2022.12.1 Whether cross-border export exclusive supply:no packing list:Data cable, audio cable, manual in 8 languages display screen:none bluetooth version:5.3 brand:Xiduobao Number of speakers:2 Speaker adjustment method:button For people:universal Print LOGO:Can waterproof level:IPX7 Whether to support APP:yes Function:water proof bill:provide invoice power mode:USB color:pink Built-in battery capacity:Above 4000mAh bluetooth protocol:5.0 Shell process:plastic Output Power:20~30W After-sales service:National Warranty connection method:bluetooth connection Interface Type:USB Applicable scene:outdoor lawn Fastest shipping time:1-3 days Shipping logistics company:Zhongtong physical dimension:210*75*75 Cabinet material:plastic shell material:plastic Operation method:touch Speaker unit:2 play time:18 hours effective distance:15 meters supported format:U disk SNR:≥75dB Extended storage:32GB
