Spokeman Voice Amplifier has an on/off/volume knob with an indicator light. The "on" indicator light turns from green to red when the device needs charging. Another indicator light shows that charging is in process and goes off when charging is complete. And it has a jack so that you can amplify C-D players, small radios, or communication boards.

This product includes:

• Amplifier with carrying case
• Charger
• Lapel Microphone
• Collar Microphone
• User’s Guide