Type: Portable speakerConnection method: Bluetooth connectionInterface type: USBBattery capacity: 2200mAhFrequency response range: 180Hz-20KHzOutput power: 10WPower supply: built-in lithium batteryChannel: 2Playing time: 7 hoursNumber of speakers: 2Effective distance: 10 metersFunction: dust-proof, drop-proof, voice prompt, call functionMode of operation: ButtonApplicable people: GeneralShell material: metalWhether to support APP: YesSpeaker adjustment method:Is there a radio function: NoneBox material: metalAppearance size: 230x59x55mmProduct weight: 0.65 (KG)Power supply method: USBColor: black, dark green, dark gray, white grayIf you are satisfied with our products and services, please leave valuable praise and comments. Thank you
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