Plug and play, auto match. Support 2.4G wireless transmission up to 50m (160 ft). Supports real-time monitoring. Compact and lightweight. Built-in omnidirectional condenser mic in the transmitter. The item have built-in lithium batteries, which can be used continuously for 5 hours after charging for 1.5 hours. Visual operation, the receiver is equipped with a TFT display, which can display the battery level, matching status, signal strength, output volume, etc. This microphone wireless system is compatible with your camera, camcorder, smartphone (iPhone/Android smartphone), DSLR cameras(Sony, Canon, etc.), audio recorder, etc. The package provides 1/8'' (3.5mm) TRS and TRRS adapter cables, which are suitable for most of your recording equipment.