Bluetooth speaker desktop audio high-power outdoor subwoofer

Product specifications:Function: insert card, dustproof, anti-drop, call functionType: Bluetooth speakerConnection method: Bluetooth connectionInterface type: USBBattery capacity: 1800Frequency response range: 100HZ-20KHZPower supply mode: built-in lithium batteryChannel: 2.1Play time: 7 hoursExpansion storage: 32GBNumber of speakers: 2Operation mode: knobPlay format: MP3, WMA, WAVShell material: plasticSupport format: TF cardSpeaker adjustment method: knobBox material: plasticAppearance size (cm) 40*5.5*6Packing list: data cable, manual, audio cableColor: black, gold, silver grayPower supply mode: USB

Color	Golden, Silver gray, black

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