Specifications:1.AUX audio input2.Mini USB data transmission,Mini USB can insert TF card for data transmission and connect to this port on the computer to play music,charge or USB charger can be charge directly3.The built-in battery,The built-in battery can be recharged repeatedly and supports the maximum volum play four hours4.TF card music playing,Built-in intligent TF decoding can play the MP3.WMA.WAV format music in the card stored previoudly5.Function highly intergrated ,In addition to wiress bluetooth, the Speaker has been highly intergrated; hands- answering phones,enquiry line,TF card player,AUX input.6.Manipulate simple and easy to use Control buttons are designed in the middle or back of the body.7.Dicate and moving sound Features:Bluetooth version: 5.0+EDROutput power: 5W * 2speaker: 52mm frequency response: 100Hz-18KHzFM broadcast band: 87MHz-108MHzcoverage area: 10 metersInput Voltage: DC5V (1A)battery: 1800mAh noise-signal radio: 80dB moreProduct size:45*7*7.3CMPacking SIze: 47*8.2*7.9CMN.W: 815GG.W: 1003GMEAS: 50.3*45.3*54.6CMQTY: 30PCSN.W: 30.09KGG.W: 32.94KGPorduct Including:1 x Bluetooth speaker1 x AUX cable1 x USB cable1 x User manual