Note: This microphone has a built-in speaker and cannot be connected to external speakers. All audio is played through the built-in speaker. Multifunctional Bluetooth Mic - The DA10 II multifunctional speaking microphone was combined a microphone, amplifier, and speaker into one unit,poratable, easy to use, with four voice modes (Speech/Hosting/Karaoke/Music), and keep the last-used mode upon start. 15W HIFI Speaker - DA10 II Microphone features a powerful 15W full-range rare-earth speaker, delivering clear and natural sound. Its sound is sufficient to cover a space of 100 people, and in indoor settings, it can cover up to 200 people. It is suitable for karaoke, singing, family gatherings, meetings, outdoor events, wedding, and speeches. Portable & Wireless - With an LED display. Lightweight, comfortable, convenience. Press the "M" to switch between Speech, Hosting, Karaoke, and Music modes. Speech mode delivers natural sound, while Karaoke mode adds reverb effects