Nokia Surge 6790 audio amplifier 2.5mm jack by Plantronics - MHA100

Plantronics OEM Audio Amplifier adapter for 2.5 mm hands-free head set audio jack triples the audio volume - MHA100/ MHA-100

- Plantronics MHA100/ MHA-100 Cell-phone audio amplifier boosts audio up to a very loud 24db! It even helps many hearing impaired folks to hear far better on Nokia Surge 6790!
- Plantronics MHA100/ MHA-100 helps overcome background noise or poor signal connections common to many working environments.
- Plantronics MHA100/ MHA-100 Cell-phone Amplifier is ideal for use with the Jabra molded earpieces or headsets which require more audio volume to overcome the increased air space between the transducer and the eardrum.
- Compatible with most cellular phones that have an 2.5 mm, 2 ring, 3 conductor earphone jack or audio adapter.
- Adjusting volume is easy using both the cell-phone and MHA100/ MHA-100 volume controls.
- Automatically turns on & off by voice. This saves the battery.
- Includes three AC675 hearing aid batteries, with replacement batteries available at department stores & pharmacies.
- Cable is approximately 12 inches long, and weighs under 3.3 ounces.
- Factory original one year warranty applies.