brand Yeezen Function Dustproof, voice prompt, call function Applicable scene Desktop, fitness, outdoor, home, portable, karaoke, live broadcast, square dance, broadcasting system, outdoor lawn Speaker unit 2 type Bluetooth Speaker time to market May 2021 place of origin Shenzhen Source category Spot goods connection method bluetooth connection Interface Type USB Frequency Range 100HZ-20KHZ Output Power 10~20W SNR ≥75dB Power supply Built-in lithium battery sound track 2 play time 8 hours Extended storage not support Number of speakers 2 effective distance 10 m Operation method button For people universal display screen none playback format MP3, WMA, WAV shell material plastic Whether to support APP no supported format U disk Speaker adjustment method knob Is there a radio function none Cabinet material plastic physical dimension 204x174x208mm product weight 0.96 (KG) Print LOGO Can't Processing methods OEM processing Does it support dropshipping support Fastest shipping time 1-3 days Shipping logistics company Zhongtong Logistics Services Delivery After-sales service Shop Three Guarantees bill no invoice Item No. species invasion packing list Machine + manual + data cable Package Type official package color Black green light, gray orange light Whether foreign trade no power mode USB Whether cross-border export exclusive supply no Is it a patent source no waterproof level IPx 3 bluetooth version 5.0 Shell process ABS+PC Built-in battery capacity Above 4000mAh battery capacity 2000mAh