100% brand , quality heavy duty speaker microphone, weighing 227 g (0.5 lb / 8 oz) per unit. Designed for clear communication, allowing you to talk and listen without lifting your radio or transceiver, ensuring efficiency and convenience in any environment. Key Features: Durable construction built for heavy duty use in demanding conditions. Integrated PushToTalk button and microphone located directly on the accessory for quick and easy operation. Compatible with a wide range of radio models for versatile use. Comfortable to hold and easy to position for audio clarity. Compatible Radio Models: IC F121/S, ICF221/S, ICF221, F210, F221, F621TR, F1721, F1721D, F2721, F2721D, F2821D, F5011, F5021, F5061, F5121D, F5061, F5061D, F5121D, F5220D, F6011, F6021, F6121D, F6061, F6061D, F6220D, F8101, F9511, F9511HT, F9521, FR3000, FR4000, FR5000, FR6000, and more. Applications: 1. Ideal for security personnel who need constant hands communication while on patrol. 2. for event staff managing large gatherings where clear and quick interaction is essential. 3. Suitable for field technicians working in noisy environments, enabling clear audio transmission without handling the radio directly. This speaker microphone is built to perform reliably in professional, commercial, and industrial settings, providing consistent quality and dependable communication for a wide range of uses.