Digital Sound Bluetooth Speaker

Communication: AUXCommunication: BluetoothCommunication: Audio LineAudio Crossover: Full-RangeDisplay Screen: NoBattery: YesBuilt-in Microphone: YesNumber of Loudspeaker Enclosure: 1Speaker Type: PortableCabinet Material: MetalIntelligent Personal Assistant: NONEChannels: 2 (2.0)Power Source: DCPower Source: BatteryFeature: Phone FunctionFeature: Dolby DigitaSupport Apt-x: NoSupport Memory Card: YesPlayback Function: APEPlayback Function: MP3Playback Function: OtherPlayback Function: FLACModel Number: A20Output Power: 30WFrequency Range: 20Hz-20KHzDisplay Screen: NoWaterproof: NoMaterial: MetalPMPO: 30WVoice Control: NoRemote Control: NoSupport APP: No