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 4 magic sounds: children's voice, female voice, male voice, old male voice. So fun LONG USING TIME: Long lasting and playing time up to 8 hours after full charged. This is a brilliant Bluetooth toy microphone for kids, parties, family evenings and special occasions.EASY CONNECTION AND WIDELY COMPATIBLE: Bluetooth and 3.5mm audio cable connections. This handheld singing blue microphone can easy connect to all bluetooth devices like Andriod/iPhone/PC, and YouTube, Smule etc. apps. It's super easy to use as a kids toy.IDEAL CHRISTMAS KARAOKE GIFT: This blue voice changer fun 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