| Brand | Unbranded |
|---|---|
| Compatible Brand | See description |
| Type | See description |
| Country of Origin | China |
Check the listing for details. Telephone Phone Ring Ringing Amplifier for Ideal Solution for the Hard of Hearin. Condition: New, Made in China. Listed at 9.88 USD. The switch has 2 positions: One for the high frequency sound and the other for the lower frequency sound. It has a light and switch to select between a high and low frequency sound. Due to the difference between different monitors, the picture may not reflect the actual color of the item.