Friends get together to sing my hit song, want to sing, audio, microphone, reverb have it all taken care of, anytime, anywhere to sing.The natural singer live karaoke reverb, whether cell phone / computer live, or show host, a variety of scene mode and warming effects,The live karaoke mixer is a great way to get the most out of your live show.Family mobile KTV music at any time to sing, Bluetooth connection to the TV, you can sing K songs, enjoy the network, the family seconds into KTV.Singing rehearsal without whistling seconds into a Bluetooth speaker, support for cell phones. TV, computer and other mainstream devices.Human voice reverb sound quality effect is better, professional digital mixing chip, intelligent beautification of the sound.Wireless Bluetooth connection is both a microphone and speaker, the signal is strong, far away from the connection is stable and high-speed.Free switching fun quirky change of sound.Large speaker large cavity surround stereo large first weight, surround cavity, the output greatly reduces the speaker noise.Suitable for a variety of field guide to sing anytime, anywhere.Product parameters.Bluetooth version: 5.0 versionSpeaker diameter: 57mmSpeaker power: 5WWorking voltage:3.7VPickup: single pointing condenser microphoneFrequency range:120Hz-13kHzReverb: echo sound effect reverbCharging time: 4-5 hoursPower adapter: DC5V/1000mA (can be used with cell phone charger)Battery specification: 1200mAh/18650 built-in battery with cable