Interface type: USBBattery capacity: 3.7V 480mahFrequency response range: 100Hz-20KHzSignal to noise ratio: ≥ 75dbPower supply mode: built in lithium batteryChannel: 4.1Playback time: 6 hoursBluetooth protocol: 4.1Shell material: plasticBox material: plastic
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GR, LESVOY