Details：Connection method: Bluetooth connectionInterface type: USBBattery capacity: 1500mAh 3.8VSignal to noise ratio: 77dBPower supply mode: built-in lithium batteryPlaying time: 8 hoursBluetooth protocol: 5.0Effective distance: 10 metersMaterial：Shell material: metalSize:Appearance size: 168*58*24.5mmWeight：Product weight: 267g


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