Introducing the Icom SP-28 Ear Hook Type Earphone, designed for optimal comfort and performance. This high-quality earphone features a convenient 2.5 mm plug, perfect for use with HM-163MC and compatible devices. With its ergonomic ear hook design, the SP-28 ensures a secure and snug fit for extended wear without discomfort. Enjoy crystal clear audio and hands-free convenience with the Icom SP-28 Ear Hook Type Earphone. Elevate your listening experience today!