[One-Click Elimination of Original Sound]--Are you still working hard to find the accompanies? Our karaoke machine has one-click elimination of original sound. Long press the EEF icon of the microphone to easily remove the singer's voice while maintaining high accompaniment quality! Enjoy music and karaoke anytime, anywhere. [Wireless and Long Duration]--Karaoke speaker has a built-in 2400mah rechargeable battery, large battery capacity keeps the karaoke machine for adults functioning 6hrs! No need to worry about messy cables, no limit on distance, sing anywhere you want. [Atmosphere Maker]--The updated Karaoke Machine has built-in color gradient lights on the top of the machine.You can adjust the ambient light according to different scenarios by pressing the sun icon.The dynamic light display creates an immersive atmosphere, making every song a memorable karaoke party with karaoke speaker. [Multifunctional Mini Wireless Microphone]--Karaoke machine professional comes with a pretty wireless microphone, it has 4 voice effects: Man, Lady, Kid, and Monster. Long press the icon to switch voice effects. Funny voice changes, increase more fun for a party. It could increase/decrease human voice volume by pressing the +/- buttons. [Take and Go]--The Portable Wireless Outdoor speaker with microphone is small in size and lightweight, so you can easily carry it to places like the beach and outdoors. Connect the machine with 5.0 Bluetooth. No need to worry about messy cables, no limit on distance, sing anywhere you want. [The Gift of Song]--Our karaoke machine for adults & kids hits all the right notes as a thoughtful and fun present for music enthusiasts of all ages. With its blend of high-quality sound, mesmerizing lights, and portable convenience, it's an ideal choice for birthdays, holidays, wedding or anniversay.