The Rand Voice Amplifier is a battery powered miniature solid state amplifier designed to provide sound reinforcement for weak voices. Suitable assistance for esophageal speakers and others with low pitched, guttural or “rough” voices communicate better. Use in one to one situations, in moderate noisy areas with 3 to 6 people and in quiet groups up to 30. Consists of 1 amplifier/speaker and a directional microphone with a "push-to-talk" button design. Two-year manufacturer warranty.