◾Includes two microphone transmitters (TX) and one receiver, making it ideal for interviews, two-person vlogging, or discussions. ◾3-in-1 Receiver: The receiver typically comes with multiple integrated connectors (or adapters) to support Lightning (iPhones/iPads), USB Type-C ( Android/laptops), and 3.5mm TRS (cameras/PCs). ◾Plug-and-Play: It is designed for easy use; generally, there is no need for extra apps or Bluetooth pairing. You plug the receiver into your device, turn on the transmitters, and they pair automatically. ◾Noise Reduction: Many versions of this model include built-in "intelligent" noise reduction chips to help filter out background ambient noise. ◾Wireless Range: It typically uses 2.4GHz digital wireless technology, which provides a decent operating range (often cited between 20 to 50 meters, depending on line-of-sight). ◾This item comes with no warranty and is non-returnable. Returns are only accepted in the event of a manufacturing defect.checking warranty' only.