Motorola HKLN4455A (2 Pack) Brand New Includes One Year Warranty The Motorola HKLN4455A is a compact and lightweight earpiece for your Motorola CLP series radio. It allows you to talk and listen without holding your radio. It has an inline Microphone and push-to-talk button for easy communication. HKLN4455A Features: Earpiece w/ Inline PTT Microphone Stable Earclip Design Hands-Free Operation Push-to-Talk (PTT) Button Inline Omnidirectional Microphone For Motorola CLP Series Two-Way Radios