4-IN-1 KARAOKE BLUETOOTH MICROPHONE: This portable wireless microphones can be used as microphone, Bluetooth speaker, loudspeaker and recorder. Using this home karaoke machine singing or record your wonderful voice at any time/where. QUALITY AUDIO SOUND: Equipped with professional audio processor and tuning system, three layers pop filter, creating a stunning KTV live-sound environment and wonderful echo reverberation. It's also a microphone speaker with magic voice chaning: children's voice, female voice, male voice, old male voice. So fun LONG USING TIME: Built-in 2400mAh rechargeable battery. Long lasting and playing time up to 8 hours after full charged. This is a brilliant Bluetooth microphone for kids, parties, family evenings and special occasions. EASY CONNECTION AND WIDELY COMPATIBLE: Bluetooth and 3.5mm audio cable connections. This singing microphone can easy connect to all bluetooth devices like Andriod/iPhone/PC, and YouTube, Smule etc. apps. It's super easy and fun microphone for kids. IDEAL CHRISTMAS GIFT: This rose gold wireless Bluetooth microphone shows glowing dancing led lights along with your voice and music volume, make you feel at the center of the disco club. Not only kids but also adults will love it and enjoy lots of fun If any problem, please contact us immediately, and we'll sort it out for you.