FeaturesQuality Sound: The microphone deliver clear, crisp audios, ensuring quality sound performance for a professional karaoke experience.Bluetooth-Compatibility: Easily connects to Bluetooth-enabled devices, such as smartphones, tablets, and speakers, for seamless wireless operation and convenience.Advanced DSPs Technology: Features Digital Signal Processing DSPs that enhances sound quality, ensuring clear, rich audios while reducing distortion and background noise.Whistling-Prevention: Built-in anti-howling and anti-whistling technology effectively minimizes unwanted feedback and echoes, providing a smoothes and enjoyable audios experience.Long-Range Wireless Connectivity: The microphone offers stable, long-range wireless performance, providing flexibility and free-dom of movement during performances or speeches.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurement Description:ReceiverPower supply: 654060 lithiums batteryCapacity: 2000amh 3.7VCharging time: 2-3 hoursBattery life: about 5 hoursMicrophone:Power supply: 14650 lithiums batteryCapacity: 1200mah 3.7VMicrophone charging time: 2-3 hoursBattery life: about 8-10 hours Package List:1x Wireless Karaoke Mic Set