Multifunctional karaoke machine setPortable Bluetooth wireless karaoke machine has 2 wireless microphones, and 2 non-slip microphone loops for kids and adults, 7 voice changing modes (male, female, magic, magic, acoustic, big reverb, small reverb, baby voice), it is the perfect vacation gift for kids, children, kids, girls and teens. Exclusive HD stereo speaker systemWireless karaoke machine by master-level acoustic equipment, built-in octa-core DSP decoding chip, sound card level sound algorithms, to achieve full-frequency surround sound. Unique "vocal cut" function can weaken the original singer's voice, so that you shine as the lead singer (Note: "vocal cut" is only compatible with stereo music). Multifunction ConnectionThe karaoke machine transmits wirelessly via the latest built-in Bluetooth 5.0 chip, which ensures instant pairing and provides more stable transmission and longer range up to 49 feet (15 Meters).This portable Bluetooth PA system also supports Micro TF cards, USB flash and AUX input, and is compatible with phones, TVs, tablets and PCs. Long battery lifeThis karaoke machine has a built-in 3000mAh5C lithium battery, supports DC5V charging, can be fully charged in 3 hours and can play music up to 5 hours without interruption. The microphone has a built-in 3000mAh battery, the battery life is 3 to 5 hours. Portable Design: Bluetooth Karaoke Speaker is lightweight, small in size and has a portable handle. Carrying the handle means you'll want it by your side. You can take your karaoke machine anywhere and enjoy your party time with your friends or family.