SALT LAKE CITY, ClearOne Communications
Inc. Ideal for use on airplanes or in any setting where engine and
motor noise are predominant, NoiseBuster can be used on its own for
simple peace and quiet or in conjunction with a portable audio device
for excellent music clarity without overamplification and distortion. These and other factors affecting Pro Tech's business and
prospects are discussed in greater detail in Pro Tech's filings with
the Securities and Exchange Commission, which are available online in
the EDGAR database at http://www.

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Business Editors

FORT PIERCE, Fla. Pro Tech
undertakes no obligation to publicly update any forward-looking
statements, whether as a result of new information, future events or
otherwise.

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Pro Tech's most recognized brands include the Apollo
line of high-performance products for office and call center
environments; the ProCom line of highly-durable headsets for
drive-through restaurant personnel; and the NoiseBuster noise
canceling headphone for consumer audio and in-flight entertainment.

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(OTC: CLRO), today introduced MAXAttach(TM) Wireless -- the first
conference phone to combine wireless operation with the ability to wirelessly
attach a second complete phone unit for use in larger rooms.

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gov

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This enables expanded audio
coverage and enhanced communication in rooms where a single-unit conference
phone doesn't provide adequate coverage or sound quality. North American retail
price is $999.com

Cautionary Statement Regarding Forward-Looking Statements

Statements in this press release that are not historical are
forward-looking.

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The reliability, flexibility and performance of
ClearOne 's comprehensive solutions create a natural communications
environment, which saves organizations time and money by enabling more
effective and efficient communication.
Phone: 800 -945-7730, 801-974-3786
Fax: 801-977-0087
bryce.
There are a variety of noise canceling headphones on the market
priced as high as $299. Included with the headphone is a dual-pronged plug for
airline use, a AAA battery and a carry bag. For more information, visit www .

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The NoiseBuster delivers more active noise
cancellation performance than the highest priced competing headphone
for a list price of only $69.

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com and click on the American flag (use
promotion code USA2005).net
"We deeply appreciate the commitment of the men and women of the
United States military and their families and we are pleased to offer
them this discount," said Richard Hennessey, president , Pro Tech. The
NoiseBuster delivers 18dB of active noise reduction across a wider
frequency range than any competitive consumer audio headphone
available on the market today.

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NoiseBuster is one of the best-known
and most highly-respected brands in the ANR headphone category having
received over the years prestigious recognition and numerous awards
from organizations such as Discover Magazine and the Electronic
Industries Association.

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On the Web: http://www. (OTCBB:PCTU) today initiated a military discount
on its NoiseBuster(R) headphone through the end of 2005. Utilizing these proven technologies,
Pro Tech plans to introduce a variety of innovative, leading-edge
products that further enhance personal communications, comfort and
safety.protechcommunications.

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In addition to eliminating the cluster of cords and cables
on the table and floor, its wireless capability turns any room into a
conference room, as it can be easily picked up and moved to wherever a
conference call needs to be held. To purchase online, go to
www.
According to Richard Hennessey, the product is unmatched by the
competition.

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"
Qualified members of the press can receive free evaluation units
by contacting Joanna Lipper at 203-226-4447 ext.sec.

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"We developed the world's first wireless
conference phone and now we've introduced the world 's first expandable
wireless conference phone, providing a competitively priced solution that lets
customers bring the flexibility of wireless into their medium-sized conference
rooms. The company 's
mission is to utilize its patented technologies to deliver the most
advanced, feature-rich, durable and comfortable products at the
highest value. These statements are subject to numerous risks and
uncertainties that could cause actual results to differ materially,
including but limited to: Pro Tech's ability to generate sufficient
funds to execute its business plan; its ability to obtain additional
financing if and when necessary, general economic and business
conditions; the level of demand for Pro Tech's products and services;
the level and intensity of competition in its industry; difficulties
or delays in manufacturing; Pro Tech's ability to develop new products
and the market's acceptance of those products; and its ability to
manage its operating costs effectively .

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The open-back design of the NoiseBuster is comfortable for the
wearer and the headband folds for portability.

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MAXAttach Wireless also offers the freedom from bothersome telephone cords
and power cables.com. The earcups achieve a
good ear seal without enclosing the ear in unwieldy, and often hot,
closed earcups.
And when you consider our very reasonable price point, the product is
simply a tremendous value. 3506 or
jlipper@nctgroupinc.

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The result is
crystal clear, intelligible audio for natural and effortless conversations in
a wider variety of conference rooms. It features a 150-foot signal range between the base station
and the phone units, and up to 12 hours of continuous talk time.clearone.benson@clearone. For more information or to place an off line
order, email USA2005@noisebuster .

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MAXAttach Wireless uses audio processing technologies from ClearOne's
industry leading XAP (R) line of professional conferencing products to deliver
clear, natural sound for interactive, productive group communication. International pricing may vary.

CONTACT: Bryce Benson
ClearOne Communications Inc. "We
hope that the NoiseBuster will promote relaxation during this
difficult time."
NoiseBuster contains patented ANR technology that makes it the
highest performing and most stable ANR headphone on the market.

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ClearOne Introduces MAXAttach(TM) Wireless Conference Phone System

NoiseBuster
electronically reduces irritating, anxiety-provoking background noise
by coupling low-frequency noise waves with their exact mirror image
waves.

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----Pro Tech
Communications , Inc.protechcommunications.

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MAXAttach Wireless uniquely adds an additional conference phone, which
doubles the number of speakers and microphones in the room to deliver accurate
voice pickup and uniform sound distribution.

ClearOne is a communications solutions company that develops and sells
audio conferencing systems and other related products for audio, video and Web
conferencing applications.com

About Pro Tech Communications, Inc.

Founded in 1994, Pro Tech Communications , Inc.

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com

Consumers may think they've seen this type
of product before but in this case hearing--not seeing--is believing. These forward-looking
statements speak only as of the date of this press release.

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"
MAXAttach Wireless is as easy to set up and operate as a standard
telephone -- just plug the base station into a power outlet and analog
telephone jack. "There is no other ANR headphone on the market today that
can deliver the level of active noise reduction performance that is
offered by the NoiseBuster.

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"ClearOne continues to provide the most innovative conference phone
technologies in the industry," said Tracy Bathurst, ClearOne's vice president
of product line management. Key
technologies include:

* Distributed Echo Cancellation(R) -- improves audio quality by
eliminating echo
* Noise Cancellation -- removes background noises , such as those from
projectors, laptop computers and HVAC systems, making speech audio
easier to understand
* Full-duplex sound -- allows participants on both ends of the call to
engage in highly interactive, productive conversations
* First-microphone priority -- eliminates hollow "tunnel" sound by
activating only the microphone closest to the person speaking
* Three microphones per phone unit -- provides 360-degree audio pickup
to ensure participants are heard clearly at the far end of the call
* ClearEffect (TM) -- delivers full, rich sound quality that far
surpasses typical handset speakerphones

MAXAttach Wireless will begin shipping in May.
The product retails for $69 and members of the United States Armed
Forces and their families can purchase the product for $59 on
ProTech 's website, by email or by phone.
Under an exclusive licensing arrangement with a world-leader in
the field, the company has access to a significant portfolio of
patented technologies relating to electronic noise reduction and
improved speech intelligibility.

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In addition,
each phone has its own controls so that participants, regardless of where they
are seated in the room, can conveniently dial a call, mute microphones or
adjust volume settings.

Pro Tech Communications Inc. Offers Military Discount On NoiseBuster Noise Canceling Headphone

engineers, designs,
and distributes audio and communications solutions and other products
for business users, industrial users, and consumers.