We are confident in the quality of our wireless karaoke microphone! Because we are professional, so we do better! <br><br><br> The CHOYUE bluetooth singing machine microphone design with professional audio processor and tuning system, three layers high destiny noise reduction, creating a stunning KTV live-sound environment and wonderful echo reverberation.Great party birthday graduation or festival gift for your kids, friends or family.<br><br> Don't worry about our quality! 30-day full refund with friendly customer service. What we need is happy customer. If you unfortunately get one that doesn't work, please contact our customer service and we will give you replacement or refund according to the situation. <br><br> <b>Specifications:</b><br> ►Pickup:Capacitor <br> ►Output:5W <br> ►Maximum sound pressure Level:1155dB 1KHz THD<1% <br> ►Rever beration mode:Echo rever beration <br> ►Power supply mode:18650 lithium battery <br> ►Battery capacity:1200mAh <br> ►Charging power adapter:DC 5V(Micro USB Port) <br> ►Battery Working Time: 5-8 Hours <br> <br> What's in the Box: <br> 1 x Wireless Karaoke Microphone <br> 1 x USB charging cable(USB to Micro USB) <br> 1 x User manual<br>