itemvalueCertificationcePower SourceBatterySupport Apt-xYesSupport APPNoBatteryYesWi-Fi MusiciHeartRadio, Napster, SiriusXM Internet Radio, PANDORA, Spotify, APPLE Music, Last.fm, TuneIn, Amazon Music, RHAPSODYNumber of Loudspeaker Enclosure1Audio CrossoverTWO-WAYWoofer Size/Full-Range Size6.5"Set TypeSpeakerMaterialPlasticWaterproofYesCommunicationAUX, bluetooth, usbSupport Memory CardYesSpeaker TypeOUTDOOR SPEAKERRemote ControlYesCabinet MaterialPlasticDisplay ScreenNoIntelligent Personal AssistantNoneVoice ControlNoBuilt-in MicrophoneYesPrivate MoldYesBrand NameOneDerModel NumberRX-6219TypePassiveUseHOME THEATRE, Portable Audio Player, Karaoke PlayerChannels2 (2.0)Special FeatureWireless, PORTABLEPlace of OriginChinaGuangdongOutput3Ω 5W*2Frequency100HZ---20KHZSpeaker Specification6.5 Inch x2SNR≥85dbPower SupplyDC 5VBattery3.7V 1500mAhFunctionBT/USB/FM /AUX/One knob /Karaoke/LED light/Display/TWS