MaximalPower™ Two-Way Radio Accessories, including Palm Speaker Mic with Reinforced PU Cable and Noise Reduction Remote Shoulder Microphone for Motorola DMR Radio XPR3300, XPR3500, XPR3300e, XPR3500e. The Omni-Directional Microphone and Speaker provide high-quality sound even in loud environments, ideal for surveillience. It features a durable coil cord with high tensile strength and long-life design. The strong swivel clip keeps the speaker secure when not in use, while the easy push-to-talk button is compatible with Motorola Radios including XPR3300, XPR3500, XPR3000e, XPR3500e, DEP550 and DEP500e.