Alvoxcon Wireless Microphone Mini Microphone Lapel Microphone for Two People (USB Connection) Model Name: UM320Pro-J Connectivity Technology: UHF Connector Type: USB, Type-C & Lightning Polar Pattern: Unidirectional About this product: 【USB Computer Microphone】: The UM320Pro is a USB wireless microphone for two people! It automatically pairs and is easy to use even for beginners. The transmission distance is up to 30 meters. Please note: Due to the possibility of interference, it is not recommended to use multiple sets together within 50 meters. Please be aware of this. 【Excellent Compatibility】: Excellent compatibility with computers, Android phones, iPhones, and speakers! ① The receiver has a USB port, so you can connect it directly to a computer. No problem at all for online meetings or office work on your PC! ② An Android & iPhone adapter is included, so it can be used with Android phones with a type-c port and iPhone/iPad, allowing you to easily record audio or video. ★ Note: Due to incompatibility, we do not recommend using it with SHARP smartphones. When connecting to an OPPO smartphone, you can use it by setting "OTG connection" in the settings. ③ For speaker compatibility, the receiver has a line out port on the bottom, so you can connect an AUX audio cable (sold separately) and you won't need a microphone preamplifier. 【Monitoring Function】: With an earphone jack "line out port", you can monitor with headphones. 【Lapel Microphone & Mini Microphone】: This product comes with two types of microphones: a lapel microphone and a mini microphone. You can hold it in your hand or clip it to your chest. It also comes with a strap, so you can wear it around your neck. Thank you for viewing.