Connection method Bluetooth connection, interface type USB, battery capacity 10000mAh,Frequency response range 80HZ-20KHZ, output power 40W, signal to noise ratio ≥75dB,Power supply mode Built-in lithium battery, channel 2, playback time 8 hours,Extended storage 4GB, Bluetooth protocol 4.2, 2 speakers,Effective distance 10 meters, function waterproof, drop-proof, voice prompt, card, dustproof, call function, operation modeApplicable people General, display None, play format MP3,Shell material metal, whether it supports APP or not, support format TF card,Speaker adjustment mode button, whether there is a radio function, the box material is plastic,Appearance size 245*60*123, product weight 1.23 (KG)
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