Style: Handheld Microphone Come Amplifier SpeakerSpeaker Driver: 3WSize: 9.45X2.85Inch Professional Tuning Button. Pitch / Bass/Volume/Accompany/Reverberation All Can Be Adjusted Via This MicrophoneBluetooth Wireless Microphone And Speaker 2 In 1, Can Work Independently Without Extra ConnectionMicrophone Head Has Three Times Noise Reduction Handle, More Efficient To Highlight Your Beautiful Voice2600Mah Battery For Up To 8 Hours Of Singing, Enjoy KTV Karaoke Effects With The Smartphone AppCompatibility, Fit For Ios And Android Smartphone Ipad Tablet, Can Read USB Card, Bluetooth ConnectionCommunication:WirelessUse:Karaoke MicrophoneWireless:Bluetooth 4.0Battery:Li-Polymer 3.7V/2600MahWorkin g Time:8 HoursMaterial:Aluminum AbsPackage:1X Audio Line 1X Charging Cable1X Product Manual