Features: Engineered for seamlessly compatibility with two way radios, this 2 pin earpiece features adjustable PTT switches and builtin noise canceling microphone for crisp communication. The reinforced PU coated cable ensures durability while the rotating M type connector offer 360 degree adjustment for secure, comfortable fit during extended wear. For security guards, warehouse operators, and outdoor adventurers needing handfree, reliable sound transmission in high noise environment. Optimized for use in bustling setting like construction zones, retail stores, and hiking trails where push to talk coordination is essential. Its lightweight earhook with ergonomic design distributes pressure evenly, enabling fatigue frees operation during prolonged shifts or dynamic outdoor activity. Specifications: Component:ABS Cable Length: Approx.120cm/47.24inch Color: Black For CLS1110 CLS1410 CP100 CP200 Package Includes: 1pcs Radio Earpiece note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.