This portable Bluetooth speaker is equipped with 2 wireless microphones, equipped with high-performance audio drivers and advanced digital signal processors, with clearer sound quality, bringing you a perfect singing experience. After successfully connecting via Bluetooth "K12", the music volume may be too loud, you can adjust the volume through the "+" and "-" keys of the stereo and microphone. PS: If you still feel that the volume is too loud, you can also adjust the volume of your mobile phone. Do not bring the microphone close to the speaker! The dazzling light effects accompany the music, allowing you to dance to your heart's content~! 4 magical sound effects, children will definitely love it, and the LED lights will dance to the rhythm of the music, creating a joyful atmosphere. Equipped with a headphone output interface on the back, it is very suitable for singing practice and family karaoke, and the small size is also convenient for you to carry when traveling. Built-in rechargeable battery ensures 5-10 hours of playback time. Faster charging and longer battery life. Birthday parties, meetings, classes, outdoor activities, etc., this portable Bluetooth speaker and wireless microphone can meet all your "singing" needs. If you are looking for a unique gift for a music lover, this retro Bluetooth speaker is absolutely perfect! It comes in a beautiful gift box and can be used for various occasions such as Christmas, birthdays, Halloween, etc. It is a great gift!