Portable Wireless Bluetooth Speaker 3D

Details Specification: Connection method: Bluetooth connectionInterface type: USBFrequency response range: 20Hz-20KHzOutput power: below 10WSignal-to-noise ratio: ≥75dBPower supply mode: built-in lithium batteryChannel: 2.1Playing time: 6 hoursExpandable Storage: 32GBNumber of speakers: 1Effective distance: 15 metersOperation mode: buttonDisplay: nonePlayback format: MP3Whether to support APP: NoSupported format: TF cardSpeaker adjustment method: buttonWhether there is a radio function: noBox material: ABS+; MetalAppearance size: 78*78*110MMPower supply: USBWaterproof grade: IPX 4Built-in battery capacity: 1000mAh-1200mAhBluetooth protocol: 5.0 Package Includes: 1*Speaker1*Charging cable1*Instruction