Characteristics and Interoperability V&T K8 Wireless Collar Mic Compatible with iPhone, Android, and Type C Microphone Simple Plug & Play; no need for an app The new wireless lapel microphone is more sophisticated; it requires no additional app, adapter, or Bluetooth. Simply turn on the microphone and plug the receiver into your iOS device. Next, begin recording (auto-connected&synchronized). extended working hours and long-distance transmission When fully charged, the lapel microphone's built-in rechargeable batteries can last up to eight hours. and 65 feet when working without a cable The transmission distance is approximately 40 feet if walls or excessive noise are obstructing the line of sight between the microphone and the receiver. To charge the phone, insert a type-C plug into the receiver. if the live broadcast is taking place while the phone is dead. Harmonious