1.45 meter (4.92 feet) cable, mini XLR 3-pin TA3F plug connector, compatible with the following devices AKG , PT 61, PT 450, DPT 70, DPT 700, PT 40, PT 45, PT 60, PT 80, PT 81, PT 400, PT 470, PT 200, PT 4500 , UT1L, PT 4000, VT2L (note: only compatible with AKG!!! Other brands may not work as internal wiring may be different. This is a capacitive microphone that requires power from the wireless system. Please ensure that your device will power the microphone.) Clear sound pickup: The head mounted microphone has a high-quality pickup head that can accurately capture sound, restore the user's voice, and avoid sound distortion. Widely used: stage performance, concerts, plays, conferences, academic lectures, news interviews, sports activities, tourist attraction explanations High comfort: The head mounted microphone adopts ergonomic design, which can be firmly worn on the head, not easy to slip off, and will not bring pressure or discomfort to the user. Good concealment: The light and thin design of the beige head mounted microphone makes it relatively concealed during use, making it less likely for viewers or listeners to notice, thereby reducing interference with external visual perception. Free hands: Users no longer need to hold a microphone after wearing it, allowing them to move and express themselves more freely, especially suitable for occasions such as speeches and performances that require manual movement.