Portable & Powerful PA System The karaoke machine is equipped with 2*10W speakers, crisp highs, accurate mids, and deep bass, which experience rich, vibrant, and lifelike sounds. Distortion 0.5%, achieve full range surround stereo sound, and give you a shocking audio-visual effect. Wireless UHF microphones:The Karaoke machine has built-in Bluetooth 5.0 with a working range of up to 33ft with a stable and reliable signal while singing and no worries about cutting off. This wireless microphone is designed with advanced active noise reduction technology, a professional DSP audio processor and the EQ chip to auto adjust treble and bass. Every word from you will be perfect! Easy & Play to GoPortable karaoke machine built-in powerful battery could give you up to 4-6 hours of playtime, Besides, the speaker works as a charging station, the USB port enables the power bank function to recharge your smartphone. You can easy to take it to wherever the fun is which is perfect for parties, karaoke, wedding, gathering outdoor&indoor activities. Multiple ConnectivityKaraoke machines easy connectivity via Bluetooth 5.0/USB Port/MicroSD Card by many external devices like iPhone, Android mobile phones, iPad, TV, PC, etc. In addition, It can record audio as streamed through the microphone with a USB/TF card.