Features: for Radios - 1 for two-way radios for radio headsets, some models are SX500, SX700, SX800, SX900, T200, T260, T265, T280, T400, T460, T465, T480, EM1000 , EM1000R, EM1020R, EM1010TPR , T4800, T4900, T5000, T5300, T5400, T5500, T5600, T5700, T5800, T5900, T6200, T6300, T6400, T6500, T7100, T7200, T700. Application scenario: Walkie-talkie headset with push-to-talk microphone is for ideal for covert or stealth missions, allowing you to operate the radio discreetly. The radio earphones come with a pair of medium-sized ergonomic plastic + metal (left and right) that fit snugly in your ear canal, reduce the vacuum pressure created by a single earphone, are not easy to fall off, and won'for t feel tired after long wearing times. Ease of use: The length of the cord between the microphone and the earpiece provides flexibility for movement. The PTT microphone can be easily attached to your clothing with the included clip. No setup required, just plug in your two-way radio and enjoy. Specifications: Material: plastic + metal Size: 150cm/59.05inch Note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1xCatheter Headphones