[gps-talkusers] buy speaker

Hello everyone
Does anyone knowif the speakers that have been mentioned in previous messages 
be purchased at Circuit City?
Motorola, HF820. was the number of one of them.
Would blue tooth headphones be better?  I use the braille note.  I have a guide 
dog so I am trying to find the most convenient and effective method.  Is it 
easy to hear the speaker in heavy traffic?
Thanks lots for your help.
Rita

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