Features:1.supports Bluetooth mobile phone with Bluetooth 3.0 or less with all audio devices with transmission，2.MIC Talk Bluetooth technology3.TF card / USB4.with FM radio5.AUX LIN external audio inputSpecification:Bluetooth Version: V3.0+EDROperating Range: 10 meterCompatibility: V2.0/V1.1/V1.0Microphone: YesLoudspeaker output: 3WSignal to Noise Ratio(SNR): 95dbSensitivity:120dB +/- 30dBSupports Music Format: MP3Power Supply: Built-in BatteryBuilt-in Battery Capacity: 500MACompatible With iPhone 4/4 s/5Other Features Supports TF card up to 32GB/Supports NFC FunctionColor:BlackUsage:1.Long press the power button till indicator light shows blue light and begin flash .2.Turn on the bluetooth device of your cellphone， and searching the bluetooth device namedMKM-S05.3.Normally it will not need pairing pass word， but if it is needed， pairing pass word is 0000.4.When device pairs successfully， the product will broadcast U had paired successfully.Package include1 x bluetooth speaker1 x USB cable1 x Audio cable