Motorola MHP61 Talkabout Isolation Earmuff with PTT Microphone Cable (Black) Hearing protection headset works with Motorola Talk about two-way radios PTT microphone for unrestricted use with a 2.5mm plug to 2.5 mm plug Cable to connect to devices using a 3.5mm plug included Dual input connectors and dual speakers for optima performance and durability Easy to replace headband and earseals