Professional Headset for Two Way Radio Surveillance Kit WT-129 Push to talk Surveillance Kit WT-129, Professional Headset for Two Way RadioAcoustic transparent tube surveillance kit including microphone and earphone, low profile look Reinforced coil cabling, iron clothing clip, ultra flexible and durable    Unique design, wear stably, special designed for military and guard users and more   High-quality noise cancelling micrphone for excellent transmitted audio Soft push to talk(PTT), different styles available.Different connectors available for two way radios from different brand such as Motorola, Kenwood, Icom, Vertex, Maxon, Nextel, Midland, Hirose or others, pls ask for compatible list.