About this item Powerful Acoustics-- Mini Karaoke Machine has special design and high quality audio components. The built-in prompt sound makes it easy for adults and children to operate. Karaoke machine with Bluetooth features advanced digital signal processing that can resist annoying electrical sounds and microphone echos. The upgraded microphone can adjust the output volume, reverberation and sound, which is suitable for use as a karaoke machine and a regular microphone. 5.3 Bluetooth Technology Support-- Advanced 5.3 Bluetooth connection technology can instantly pair the Mini Karaoke Machine with the device. The wireless karaoke microphone will automatically connect to the Bluetooth speaker when turned on, with an effective distance of up to 35 feet. If necessary, Karaoke Machine With Bluetooth also supports TF storage of MP3 songs. Ultra-long Standby Time-- Ainrvteers Kids Karaoke Machine with a built-in rechargeable battery, can charges quickly and has long standby time, which enables you and your children sing happily for 5-10 hours. It is a good gift for birthday parties, friend gatherings and outdoor activities. A portable Bluetooth speaker and wireless microphone set is a good choice for a portable karaoke microphone that you can move around. You can enjoy music or sing anytime and anywhere. Multifunctional Karaoke Machine --The mini karaoke machine comes with a voice changer, which can be easily switched through the button on the microphone. You could see the kids laughing hard when transform from normal to funny voice changing effects. Great fun for both boys and girls. Whether in the classroom, in the car, or at family events, the mini karaoke machine's built-in colored light effects can create a happy atmosphere. As a Prezzie-- : Kids karaoke machine for girls, the colorful design and beautiful packaging box make it a perfect toy for girls and also a Christmas and birthday creative Prezzie for boys and girls aged 3, 4, 5, 6, 7, 8, 9, 10, 11, 12. Take the stage everywhere with this ultra-portable karaoke machine, as well as a great Prezzie for young and old.