Audio Components 18000 mAh Lithium Battery 30W U Disk Soundbox Square Dance Outdoor Function: insert card, radio, voice prompt, call function Applicable scenarios: desktop, fitness, outdoor, home, mobile, , karaoke, live broadcast, square dance, broadcast system, outdoor lawn Speaker unit: double 4 inches Type: Bluetooth speaker Place of Origin: Shenzhen, Guangdong Connection method: Bluetooth connection Interface type: USB Frequency response range: 100HZ-20KHZ Output power: 30W Signal to noise ratio: 82dB Power supply mode: built-in lithium battery Channel: 2.1 Play time: 8 hours Expansion storage: 32GB Bluetooth protocol: 5.0 Number of speakers: 2 Effective distance: 10 meters Operation mode: button Applicable people: general Display: Yes Play format: MP3 Shell material: plastic Whether to support APP: No Support format: U disk Speaker adjustment method: button Is there a radio function: Yes Box material: plastic Appearance size: 166*166*410m Product weight: 1.6 (KG) Item No.: ZQS4239 Packing list: speaker, microphone, remote control, data cable Colour: Black Power supply mode: USB Battery capacity: 18000 Connection method: Bluetooth connection Interface type: USB Power supply mode: built-in lithium battery Play time: 6 hours Expansion storage: 32GB Number of speakers: 2 Effective distance: 10 meters Support format: TF card Speaker adjustment method: button Is there a radio function: yes Appearance size: 189*184*303MM Multimedia speakers outdoor bluetooth speakers Multifunctional Bluetooth Subwoofer Wireless Bluetooth playback Wireless connection, play more freely Get rid of the shackles of wired, bring a different kind of fun experience Multiple playback modes Play as you like, support multiple playback methods, weekend parties, street performances, a lot of fun, indulge PLAY