Various sizes available: Of course, you can also use a microphone on its own. Just clip the wireless microphone to your collar, plug the receiver (C-connector/Apple plugs) into your device and they will connect automatically. Just plug and play straight away, no app or Bluetooth required. Plug and Play and 3 levels of noise reduction] The mini lavalier microphone does not require an app or Bluetooth, just plug the transmitter into the device and they will connect automatically. In addition, the wireless lavalier microphone has a built-in smart chip for 3 levels of noise cancellation, and you can choose different levels depending on the environment you use it in. Perfect for YouTube/Facebook Live, TikTok creators and other video recording enthusiasts. Extra long working time and 60ft audio range. - With built-in rechargeable batteries, each cordless microphone can be used for 4-6 hours after approximately 2 hours of charging. Easy to connect, over 60 feet of signal with real-time auto-sync technology and 0.009s transmission delay to help you reduce power hassles and record or shoot video clearly over greater distances. Compatible with USB-C devicesCompatible with most mobile phones/laptops with Type-C ports/Apple plugs (must support audio output function). Packing list Package included See specific pictures