The sound potential is huge, theater-grade surround sound, three-dimensional stereo structure omnidirectional sound is immersive and obsessive.Built-in sound card, subtle presentation, dynamic sound, cardioid pointing technology can effectively shield environmental noise, no noise no whistle sensitive return to the original sound wideWide frequency range support, delicate interpretation of the human voice.Wireless Karaoke Bluetooth 5.0 more stable, support cell phones / TV / tablet / computer / projector with Bluetooth devices, compatible with Apple Android Huawei systemAll applicable.One key to eliminate the original sound, microphone priority, eliminate the original voice of the background singing, the human voice automatically diminished. A variety of weird sound effects, to meet all the needs, theatrical possession, joyHappy infinite to deal with a variety of occasions, not only can sing, but also can act.Accompany the child to record a good childhood, in the music to train children's confidence, improve artistic literacy, HIFI pure sound quality, suitable for long time listening.Large-capacity lithium battery, can last up to 5 hours of use time, do not worry about the power.High-quality zinc alloy texture, the handle is made of zinc alloy metal touch, hold more comfortableLeather material more artisanal, quality leather with two-color twill mixed weave fabric surface, mix and match more design.Product parameters.Pickup: condenser microphoneSensitivity: -54 earth 1 dBCharging power supply: 5V / 1AVocal frequency response: 100Hz-10kHMusic audio response: 28Hz-20kHzPeak power: 2*13WMaximum sound pressure: 130dBWireless distance: within 10 metersBluetooth version: 5.0Battery capacity: 1800mAhPower supply: 3.7V; lithium batterySize: 196mm long, 111mm wide