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Brand Name: DELSUPPECommunication: AUXCommunication: USBCommunication: bluetoothBattery: YesSpeaker Type: PortablePower Source: ACPower Source: DCPower Source: BatteryPower Source: USBNumber of Loudspeaker Enclosure: 1Certification: CECertification: FCCCertification: RoHSCabinet Material: PlasticAudio Crossover: Full-RangeChannels: 1Origin: CN(Origin)Input Power(W): <25 WIntelligent Personal Assistant: NoneOutput Power: 3WRemote Control: NoSupport Memory Card: YesPlayback Function: mp3Playback Function: OtherPlayback Function: WAVDisplay Screen: NoVoice Control: YesMaterial: AluminumSupport Apt-x: NoDisplay Screen: NoWaterproof: YesBuilt-in Microphone: YesControl: PlaybackSupport APP: NoFeature: Phone FunctionFeature: Play VideoModel Number: A8 Mini Bluetooth SpeakerFrequency Range: 70Hz-20KHzOccasion: Indoor and outdoor :Home, dorm room, kitchen, bathroom, car, partiesBluetooth Version: 5.0Function 1: Car handsfree callRechargable Battery Capacity: 500mAhCharging Time: 1 hourListen