Description:The Soundbar Desktop Speaker features a two-channel, Stereo 3D sound, a new-feeling of fine sound quality. This computer speaker helps to immerse yourself in wonderful sound while enjoying music, movies, and games. Suitable for devices with a common USB interface, such as laptops, tablets, notebooks, and desktops.Specification:Type: computer speakerApplicable people: generalInterface type: USBConnection method: USBFrequency response range: 60Hz-15KHzOutput power: 3WSignal-to-noise ratio: ≥75dBChannels: 2Power supply mode: need external batteryOperation: noneExtended storage: not supportedNumber of speakers: 2Bluetoothes protocol: noneEffective distance: noneBattery capacity: none (A)Playing time: noneShell material: plasticsPacking List: USB Speacker*1