[4-in-1 karaoke Bluetooth microphone] - These portable wireless microphones can be used as microphones, Bluetooth speakers, loudspeakers, and a recorder, also acts as a voice disguiser. Using this home karaoke machine sing or record your wonderful voice at any time/where. | [High Sound Quality and Fun Voice Change] - Equipped with a 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 chanting: Original, Child Voice, Male Voice, Tough Voice, Honeyed Voice. So fun! | [Easy connection and widely compatible] - Bluetooth, TF card, and 3.5mm audio cable connections. This singing microphone can easily connect to all Bluetooth devices like Andriod/iPhone/PC, and YouTube, Smule, etc. apps. You just need to connect your phone with a headphone jack or Bluetooth, and then open the singing APP on your phone, wherever you go, you can enjoy this moving karaoke machine. | [Durable and Long using time] - After fully charged (about 3 hours), you can listen to the song for about 10 hours or sing for about 4 hours. Give you a relaxing experience. Ideal for family singing, outdoor activities, birthday parties, etc. | [Ideal Gifts] - 2 Karaoke Microphones with an individual package, sing with your friends or family, you will have a lot of fun with this cool microphone. it's a great Christmas stocking stuffers gift for 4 5 6 7 8 9 10 year old girls boys teens. Better choice gifts for all kinds of the festival (Easter, Christmas, Valentine, Halloween, Thanksgiving, New Year).