1. Immersive sound quality for all ages: Enjoy a fidelity audio experience with powerful bass that makes every song sound amazing. The Bluetooth speaker and dual wireless microphones deliver crystal clear sound and make everyone feel like a superstar. Made of certified materials, for children, teenagers, and adults to enjoy worry fun. 2. Seamless Bluetooth 5.3 Connectivity More Equipped with the latest Bluetooth 5.3 technology, this karaoke machine instantly connects to smartphones and tablets, offering a range of up to 15 m. Effortlessly switch between TF card, USB, and AUX modes to enjoy your music in multiple ways. for home, outdoor events, or even casual karaoke nights. 3. Allday fun with long battery life: No more party interruptions! The builtin rechargeable battery provides 810 hours of continuous playtime on a single charge. Whether you're hosting a party, planning a classroom activity, or heading to the park, this karaoke machine is ready to keep the entertainment alive. 4. Exciting voice effects and LED party lights: Unleash creativity with five voicechanging effects (male, female, robot, KTV, and doll) to add a fun twist to any performance. The vibrant LED light effects sync with the rhythm of the music and transform any gathering into a fullblown party that children and adults will love.