The K9 wireless microphone is a small, lightweight, plug-and-play device with universal compatibility for iOS and Android devices, requiring no apps or Bluetooth. Key features include a 360° omnidirectional pickup, intelligent noise reduction, real-time auto-syncing, and a transmission range of about 65 feet (20 meters). It also boasts a long working time on a single charge and a low transmission delay, making it ideal for vlogging, interviews, podcasts, and online streaming