?Wide Usage?Compatible for most DSLR with 3.5mm interface, Camcorder, Smartphone, Gimbal. For smartphones, please use the right TRS TO TRRS cable and make sure connect the right side to phone and mic, if your smartphone not 3.5mm interface, you need a Type-C or lighting adapter. Widely used for YouTube livestream, Vlog recording, interview, program hosting, podcast, presentation, church, wedding, also use this for video call. ?Tiny & Portable?With tiny size 4*4.5*1.7cm and weight 38g each, our wireless microphone system is portable for outdoor or travelling. Built-in rechargeable battery, work time up to 3.5h(Transmitter),5h(Receiver)supporting type-c charging. Also with inserted microphone, it can be clipped directly on your clothes or you can hang it on neck with a lanyard(included). Moreover, you can mount it on your smartphone as its back clip is magnetic or installed on hot shoe mount. ?Real-time Monitor?With the help of the screens on receiver and transmitter, you can test it before your work to make sure transmitter and receiver are connected and are ready to work.Also can real-time monitor the sound quality with the TRS out, battery status and signal on the screen while working. This wireless lavalier microphone for camera&iphone features 57 channels to choose from, can be easily adjust to fit in the field to avoid the static and cutting out during working. ?Extremely Stable Signal?Different from most portable wireless microphones on the market, our wireless microphone receiver innovative adoption dual-antenna signal diversity technology, when the signal of antenna 1 is blocked, the device automatically activates the signal of antenna 2 to always ensure that the signal is stable and uninterrupted, allowing your creation unrestricted. ?UHF Wireless pa Transmitter?Compared to 2.4GHz technology, UHF has longer range and better propagation outdoors and through solid objects. UHF is well known for its stability and reliability at work without static and cutting out. Work distance up to 80m and our wireless microphones & receiver frequencies of it operate on 566-594 Mhz, has no conflict with the official frequencies for safe usage.