Radiation-proof: Air acoustic tube helps reduce exposure to radio wave radiation. Anti-noise: Soft plastic earbud fits securely in either left or right ear, delivering clear sound even in noisy environments. Built-in microphone with inline PTT (Push To Talk) button that clips onto clothing, enabling discreet and hands-free communication with two-way radio devices, ideal for security, retail, and hospitality applications. High-quality transparent acoustic tube headset designed for low visibility, making it suitable for discreet communication in environments such as airports, casinos, crowd control, conventions, and concerts. Compatible with 2-pin jack two-way radios including CP040, CP140, CP160, CP180, P100, P140, P145, P160, P165, P180, P185, XT420, XT460, DTR 2430, DTR 2450, G15, G18 Banda PMR446 Radio, Marine VHF Transceiver, (HYT) TC-500, TC-508, TC-518, TC-518 OBR, TC-580, TC-610, TC-700, PD412, PD502, PD562. Color: Black Material: Plastic Package Contents: 1 x Radio Headset Note: Light and display settings may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.