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Black Box 640, Datasheet

The Yamaha 640 Owner's Manual is a comprehensive guide providing detailed instructions and information on operating the Yamaha 640. Accessible for free download from 88.208.23.73:8080, this manual ensures users have all the necessary knowledge and support to maximize their experience with the Yamaha 640.

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Stay connected for longer.

The unique charging system makes it possible.

Stay connected for longer.

The unique charging system makes it possible.

Plantronics Discovery Bluetooth Headsets

© 2007. All rights reserved. Black Box Corporation.

FREE 24-hour Tech Support: 724-746-5500

blackbox.com

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Summary of Contents for 640

Page 1: ...rging system makes it possible Stay connected for longer The unique charging system makes it possible Plantronics Discovery Bluetooth Headsets 2007 All rights reserved Black Box Corporation FREE 24 hour Tech Support 724 746 5500 blackbox com ...

Page 2: ...ludes an innovative charging system that uses a AAA battery charger to extend talk time up to 15 hours for the Discovery 640 and up to 9 hours for the Discovery 645 DSP This way your phone is ready when you are Plan to use the headset in a busy office call center or other noisy environment Then take a look at the Discovery 645 version For optimal sound quality it features built in digital signal p...

Page 3: ...2 0 and it s actually the specification s third version following its 1 1 and 1 2 incarnations Although the Bluetooth standard uses the same 2 4 GHz range as 802 11b and 802 11g it s much slower than Wi Fi more limited in range and supports fewer devices Technically Speaking Recognize any of these situations You wait more than 30 minutes to get through to a vendor s tech support The so called tech...

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