Metal Super Bass Wireless speaker

Communication: AUXCommunication: BluetoothCommunication: Audio LineDisplay Screen: NoBattery: YesSpeaker Type: PortablePower Source: DCPower Source: BatteryNumber of Loudspeaker Enclosure: 1Cabinet Material: MetalAudio Crossover: Full-RangeBuilt-in Microphone: YesChannels: 2 (2.0)Feature: Phone FunctionFeature: Dolby DigitaIntelligent Personal Assistant: NONEOutput Power: 30WRemote Control: NoSupport Memory Card: YesPlayback Function: APEPlayback Function: MP3Playback Function: OtherPlayback Function: FLACVoice Control: NoMaterial: MetalSupport Apt-x: NoDisplay Screen: NoWaterproof: YesPMPO: 30WSupport APP: NoModel Number: A20Frequency Range: 50Hz-20KHz