Hi-Fi Sound QualityThe portable Bluetooth speaker and 2 wireless microphones are equipped with high-performance audio drivers and advanced digital signal processor to make the sound clearer and bring you a perfect singing experience. Lighting & Bluetooth 5.0After successfully connecting via Bluetooth "K12", the sound of playing music may be too loud, you can adjust the volume through the "+" "-" of the stereo and microphone. "PS: If you still feel the volume is too loud, you can also adjust the volume of your mobile phone. Please do not put the microphone close to the speaker!Dazzling light effects along with the music, dance it up~! Multifunctional KaraokeWith 4 magical sound effects, it's fun for kids, and the LED lights dance to the rhythm of the music to create a fun atmosphere. With a headphone output on the back, it's perfect for singing practice and family karaoke, and its compact size makes it easy to take with you when you're travelling. Long battery lifeIt has a built-in rechargeable battery that ensures 5-10 hours of playback time. Charge faster and last longer. Birthday parties, meetings, classes, outdoor activities and more. This portable Bluetooth speaker and wireless microphone will meet all your "Sing for Joy" needs. Ideal Gift for Music LoversIf you are looking for a unique gift for someone who loves music, this vintage bluetooth speaker is the perfect choice! Exquisite gift packaging can be used as Christmas, birthday, Halloween gifts!