The Uonlytech 30 Pcs Microphone Lavalier Lapel Mic Clip package includes 30 black iron microphone clips. These clips are easy to install on mini microphones and are suitable for use in KTV, stage performances, and other occasions. Made of durable iron material, these microphone clips are safe and long-lasting. They are designed to securely hold the microphone in place, preventing it from falling off easily. The clips have a wide range of applications and are ideal for use with collar or tie microphones. Overall, this professional and affordable microphone accessory is a practical and reliable choice for various audio recording needs.