The 2-Pin PTT Walkie Talkie Earpiece Headset delivers clear, hands-free communication for security, law enforcement, and outdoor use. Its acoustic tube design provides discreet, high-quality audio transmission even in noisy environments. Features an in-line microphone with a convenient push-to-talk button for quick access and easy communication. Compatible with most two-way radios using a standard 2-pin connector, including BAOFENG, Kenwood, Wouxun, and Quansheng models.