Item Type: Bluetooth SpeakerMaterial: Faux Leather+MDF+MeshFrequency Range: 90Hz-20KHzImpedance: 4Bluetooth Protocol: 5.0Built in Polymer Lithium Battery: 4500mahPackage List1 x Bluetooth Speaker1 x Carrying Strap1 x Manual1 x Cable1 x Charging Cable1[Superior Sound Quality] The special wood resonance cabinet, full range dual speaker left and right channel to release the real pure sound. 2[Unique Design] Surface faux leather production, highlighting the vintage style. Double knob design, rotate to adjust the volume. Faux leather carry handle, comfortable to touch. 3[Long Lasting Life] Built in 4500 mAh high capacity lithium battery, small energy consumption, stable performance, to meet the demand for all weather music enjoyment. 4[Multiple Function] Bluetooth, Memory card, disk, AUX playback to meet a variety of needs, stable and efficient transmission, enjoy the pleasure. 5[Wide Compatibility] Compatible for Windows, for Android, for IOS operating systems easily connect to mobile phones, computers and tablets etc.