Universal wireless system - Record crystal-clear, distortion-free audio from your DSLR, camcorder, smartphone, or tablet. Perfect for filmmakers, vloggers, mobile journalists, and content creators Reliable audio - Features an upgraded RF Chipset that broadcasts on the open 2.4GHz frequency spectrum, allowing for interference-free and regulation-free wireless transmission up to 200' ft (60m) 1-year warranty - WeÂ've got your back! Our products are designed to ease your technical woes, not add to them. Our friendly US-Based support is here to help Convenient - Listen to your audio in realtime with the headphone input to ensure accurate sound recording. For more control, adjust the microphone volume to reduce time in post-production. Each unit is powered by two "AAA" batteries for up to 6 hours of operation In the box - Includes a transmitter with belt clip, receiver with belt clip and shoe mount, lavalier microphone, 3.5mm TRS cable for cameras, 3.5mm TRRS cable for smartphones and table