The LENSGO K17 : WIRELESS HEADSET MIC KIT is a wireless headset microphone that can be used for dance teaching, fitness teaching, tour guides, training, public speaking and live broadcasts. It's like having your own personal amplification system strapped right to your head. A wireless headset microphone is a device that allows you to transmit your voice or audio signal without the need for a physical connection to a sound system or mixer. You can move freely around the stage or room without worrying about tripping over cables or getting tangled up. No more restricted movements or awkward shuffling just to stay close to a stationary microphone. Feel the freedom to strut your stuff, engage with the audience, or lead an interactive session without any limitations.