Brand Name: SwYiSmCommunication: AUX,USB,bluetooth,Audio LineBattery: NoSpeaker Type: BookshelfPower Source: ACNumber of Loudspeaker Enclosure: 4Certification: CECabinet Material: WoodAudio Crossover: Two-WayChannels: 2 (2.0)Origin: Mainland ChinaInput Power(W): 50-99 WIntelligent Personal Assistant: NoneOutput Power: 80WRemote Control: YesSupport Memory Card: YesPlayback Function: mp3Display Screen: NoMaterial: WoodDisplay Screen: NoWaterproof: YesBuilt-in Microphone: NoPMPO: 150WControl: Volume controlFeature: NoneModel Number: IBASS SOLOFrequency Range: 100Hz-20KHzFunction: Bluetooth SpeakerFunction 2: TV computer speakersFunction 3: High-power speakerFunction 4: Karaoke speakersFunction 5: With remote controlFunction 6: Wooden speakerFunction 7: Four speakersFunction 8: With wireless microphone