?4 IN 1 KARAOKE MICROPHONE MACHINE?Portable hand-held wireless microphones can be used as Microphone, Bluetooth speaker, Voice Changer, Singing Recorder. Mini home KTV for music playing , and singing at any time. ?LONG USING TIME?Built-in 1200mAh rechargeable battery. Lasting and playing time up to 4-5 hours after full charged. Ideal for parties, family evenings and special occasions.3.5mm audio jack and Bluetooth connection, the wireless karaoke microphones can connect with all Bluetooth devices including Android, iOS smart-phones, PC, laptops and almost all singing APP. ?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 karaoke microphone with four magic sounds: man voice, girl voice, boy voice, monster voice. It will be more fun. ?EASY TO USE and HIGH COMPATIBILITY?Just connect your devices via Bluetooth or a audio cable, or insert a TF card and you can sing right away. Compatible with iOS and Android, iPad, Smart TV and MP3 /CD players etc... ?MULTI-COLOR LED LIGHTS and BEST GIFTS? It is the latest fashion, many LED lights jump along with the rhythm of the music, it looks very pretty in the dark. This microphone is a good surprise for children and adults, it's an ideal gift for parties and celebrations, it can improve the atmosphere.