🎵【2023 Upgraded Sound Quality】: XIZJ portable karaoke machine has a built-in 4-inch professional tuning grade speaker, which uses advanced audio drivers and digital signal processors to make the sound quality clearer and more stereoscopic, and to eliminate all noise. It is also equipped with a built-in 3000mAh high-efficiency lithium-ion battery that can last up to 4-6 hours. | 🎵【Portable and Convenient】: Portable Bluetooth speakers with microphones are small and light, offering 7 sound effects. Perfect for in-car karaoke, family gatherings, presentations, and more. | 🎵【Colorful disco lights】: The PA karaoke system is equipped with colorful disco lights and has an independent button to switch the lights. The colorful LED lights allow you, your family, and friends to enjoy a colorful and joyful party atmosphere. | 🎵【Multifunctional Portable Speaker】: Karaoke machine has Bluetooth 5.0 for instant pairing and stable transmission, which supports TF card, USB, and AUX input connections and is compatible with Android devices, TVs, iPads, tablets, and PCs. It even doubles as a power bank to charge your smartphone/tablet. | 🎵【Warranty】: XIZJ provides every customer with a 365-day no-reason replacement service! If you encounter any problems while using the singing machine, please feel free to contact us. We have professional customer service to solve all the problems for you.