MULTIFUNCTION MICROPHONE - Support TF card power-off memory playback it is the king of K song it is also a Bluetooth speaker HIFI sound quality plug and play can control songs while practicing at home alone like Karao Mike you can feel the atmosphere of karaoke. If you like the song you can also insert a TF card and then record the song. On the other hand we are also active as a high-quality Bluetooth speaker. HIGH SENSITIVITY MICROPHONE - 10m Bluetooth match fast response strong signal. Wireless microphones whether for ISO or Android can be connected to almost all Bluetooth-equipped devices. Audio cables can be connected to devices such as MP3 and MP4. While looking at the lyrics on the phone. Enjoy the best in the end. Compatible with a variety of mobile phone karaoke application software. INTELLIGENT NOISE REDUCTION CHIP - Multi-layer automatic noise reduction: external dense mesh - medium dense mesh - high-density internal sponge. Reduce noise and noise bring out original sound eliminate external interference reduce microphone pickup sensitivity for noise and restore true singing effect. In addition the emphasis is on the original sound and a high-quality audio speaker is adopted. EASY TO USE AND PORTABLE MICROPHONE - Design a multi-functional button you can adjust bass treble echo playback volume etc. and freely switch between previous and next song. Because it is lightweight and convenient to carry it is comfortable if you carry it in various places. Effective simulated ktv level experience. LONG PLAY TIME - Built-in 800 mA large capacity battery in case of full charge continuous playback is possible for 8 hours you can safely use it in outdoor activities. Provide a more passionate and enjoyable K song experience crash and stop non-stop let you enjoy the sound of nature listen more comfortably.