Serene Innovations Universal Business Phone Handset/Headset Amplifier

Features

• Serene Innovations Universal Business Phone Handset/Headset Amplifier amplifies incoming voices up to 170 times (45+dB), so you hear every word with unmatched clarity
• Digital Tone Enhancement allows you to boost and enrich the speech frequencies you cannot hear well, making difficult to hear words intelligible again
• Automatic gain control, optimizes the sound level for superior listening comfort
• Automatic volume control
• AC adapter included (9V battery optional)
• Can be used with any headset with an RJ9 plug
• Easy headset/handset selection button for extra convenience

More Information

• Safety Instructions:
  When using telephone equipment or electric appliances, basic precautions should always be followed to reduce the risk of fire, electrical shock and injury to persons, including the following:
  - Read all the instructions before using the appliance
  - To reduce the risk of injury, close supervision is necessary when an appliance is used near children
  - Do not contact moving parts or any exposed metal surface
  - Only use attachments recommended or sold by the manufacturer
  - Do not use outdoors. Do not use near water, for example, near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement or near a swimming pool
  - To disconnect, turn all controls to the off position, then remove plug from outlet
  - Do not unplug by pulling on cord. To unplug, grasp the plug, not the cord
  - Unplug from outlet when not in use and before servicing or cleaning
  - Do not operate any appliance with a damaged cord or plug, or after the appliance malfunctions or is dropped or damaged in any manner. Return appliance to the nearest authorized service facility for examination, repair, or electrical or mechanical adjustment
  - Use only the power cord and batteries indicated in the manual. Do not dispose of batteries in fire. They may explode. Check local codes for possible special disposal instructions
  - Plug any power adapter to the socket-outlet that near the equipment and should be easily accessible
  - Avoid using any telephone product during an electrical storm. There may be a remote risk of electric shock from lightning
  - Do not use the telephone to report a gas leak in the vicinity of the leak