Four-in-one wireless karaoke microphone: can be used as a microphone, Bluetooth speaker, recorder, speaker. It also has a convenient USB port that can play music directly. Short press the "Power On/Off" button to switch between different modes. Colorful LED lights: Built-in 28 dancing LED lights, flashing with the music changes when singing. The changing slight jumps and the rhythm of the music create a perfect singing atmosphere for festivals or parties, allowing you to sing to your heart's content, bringing more fun and relaxation. Two-way connection, high compatibility: Bluetooth connection and 3.5mm audio cable connection. The wireless karaoke microphone can be connected to all Bluetooth devices, including Bluetooth devices such as Android iOS smartphones, PCs, laptops, and APPs. The Bluetooth connection has a distance of 10 m. Long working time: Built-in 1800mAh battery, supports 4-6 hours of continuous singing time and 6 hours of music playing time, enjoy your singing moments for a long time, and make your own mini KTV anytime, anywhere. Excellent quality: support AUX audio output, memory card, USB hard disk to play music. Supports micro SD cards up to 32 GB.