HamiltonBuhl PA-25E Mini Personal Voice Amplifier with Wireless Microphone, Black

Features Amplification that's perfect for classrooms, conference rooms, small gatherings, lecture halls, auditoriums, or outdoor events, and more. Clear, crisp sound. Lightweight yet durable and wear-resistant ABS plastic housing. Ergonomic, comfortable, stylish design. Belt hook for easy-wear. Detachable strap to attach or hang from hook. Numerous frequencies to avoid interference. Specifications Color: Black. Output Power: 10W max./5W RMS. Speaker Driver: 5W. Charging Voltage: USB/DC 5V 0.5A. Frequency Response: 200Hz-20KHz. Working Voltage: 3.5V - 4.2V. Operating Time: Approx. 4-7 hours. Model: PREK - 12. Weight: 1 lbs.