Type: computer speakerConnection: 3.5MM audio jackInterface type: USBBattery capacity: 800MAHFrequency range: 20Output power: 1200The signal-to-noise ratio is not less than 75dBPower supply: built in lithium batteryChannel: 2.1+1Play time: 8 hoursExtended storage: does not supportBluetooth protocol: 3Speaker number: 2Effective distance: 10 metersOperation mode: buttonApplicable to the crowd: GeneralShell material: plasticBox material: plasticAppearance size: 245*150*80mmProduct weight: 280g (KG)You can print LOGO:Processing methods: to map customWhether to support a generation: payment on behalf of the consignorFastest delivery time: 1-3 daysCertificate type: otherShipping logistics company: ChinaLogistics services: home deliveryAfter sales service: shop three bagsInvoice: no invoicePacking list: sound box、 packing box、 instruction manual、 etc.Specification: black white Waterdance Waterdance computer speakers、 computer speakers、 computer speakers Waterdance pink、 blue Waterdance computer speakers: