Details:Type: Bluetooth speakerConnection method: 3.5MM audio jack Bluetooth connectionInterface type: USB card readerBattery capacity: 2200Frequency response range: 40Hz-20KHzOutput power: 8WSignal to noise ratio: ≥75dBPower supply mode: Built-in lithium batteryChannel: 2Playing time: 8 hoursBluetooth protocol: 4.2Number of speakers: 1Effective distance: 10 metersFunction: Insert card, radioProduct material:Shell material: Wood



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