4-in-1 Karaoke Bluetooth Microphone: This portable wireless karaoke microphone can be used as a microphone, Bluetooth speaker, speaker, and recorder. Sing or record your beautiful voice anytime and anywhere with this home karaoke machine. High-quality audio sound effects: Equipped with a professional audio processor and tuning system, and a three-layer pop-up filter, creating a stunning KTV live sound environment and wonderful echo reverberation. It is also a microphone speaker with a magical voice-changing function: child's voice, female voice, male voice, old male voice. very funny! Long use time: up to 8 hours of continuous playback time when fully charged. This is a great Bluetooth microphone for kids, parties, family evenings and special occasions. EASILY CONNECTED & WIDELY COMPATIBLE: Convenient Bluetooth connectivity. This singing microphone can be easily connected to all Bluetooth devices such as Android/smartphone/PC, as well as apps like YouTube, Smule and more. It's very easy to use for kids or adults. IDEAL CHRISTMAS GIFT: This rose gold wireless Bluetooth microphone displays glowing, dancing LED lights in response to your voice and music volume, making you feel like you're in the center of a disco club. Not only kids, adults will also love it and have a lot of fun! *Please use DC 5V-1A plug adapter for charging.