・?Wireless Karaoke Microphone: The Bluetooth microphone built-in great stereo speakers, professional tuning system can bring 360 degrees super surround with immersive enjoy. High-quality wireless karaoke microphone help you find the perfect voice giving you great genesis sound quality, which is for KTV, party, family, travel singing, instrument recording, interviews, speech etc.・?Multifunctional Microphone: The karaoke microphones can connect Bluetooth/ cable connection/ micro SD, which can also be used as a speaker, K songs, player or recorder. The buttons on the front of the mic can adjust the music, echo, volume and easily switch between songs.・?Easy to Use: The Bluetooth microphones is small in size, light in weight and easy to hold. It is very easy and fast to connect with our Bluetooth/ cable connection/ micro SD, and easy to switch different mode, adjust volume, sing, play music.・?Best Gifts: Kids microphones is birthday party favors and perfect gifts for kids, which creates a perfect singing atmosphere for festivals and parties, enables you sing freely, and brings more fun and relaxation.・?Service: Your satisfaction is our goal. If you have any questions, please don't worry and send message to us on Amazon. We will do our best to help you説明: Wireless Karaoke Microphone: High-quality wireless karaoke microphone for help you finding the perfect voice, giving you great genesis sound quality. Fit for KTV singing, party singing, family singing, travel singing, instrument recording, interviews, speech and car stereo etc.Best Gifts: Perfect birthday party favors & gifts for kids. Jump along with the rhythm of the music creates a perfect singing atmosphere for festivals or parties. Enables you freely to sing and brings more fun and relaxation.Three Ways Connection: Bluetooth Connection/ Cable Connection/ Micro SD Connection. 1. You just need to connect your input device, successful connection if prompt tone is produced. 2. Open the singing APP, adjust the sound volume of mike and the reverberation to suitable level, start karaoke. The size buttons on the front of the mic can adjust the Music, Echo, Volume. You can easily switch between songs.Technical Parameters: Output Power: 5W Frequency Range: 100HZ~10KHZ Max Sound Pressure Level: >115DB 1KHZ TDH