1. Our Karaoke Machine has versatile connectivity through Bluetooth 5.0, Micro TF card, and Flash USB making it ideal for different settings without cords and wires. 2. Our lightweight and portable Karaoke Machine, at 6.42 pounds, is perfect for indoor and outdoor use, giving you the freedom to enjoy your music anytime, anywhere. 3. With built-in stereo, bass speaker, and powerful sound, our Karaoke Machine provides clear, high-quality sound at both high and low volumes. You can stream your favorite songs, play the radio, or amplify your voice with its 6.5' woofer and 2' tweeters. 4. The powerful 5200mAh battery guarantees up to 8 hours of continuous playback when fully charged. Enjoy singing and listening non-stop without any battery worries. 5.After-Sales Service:If you have any questions, please contact us and we will satisfy you with professional service.