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Sennheiser UI710
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$54.95
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| Passive Universal Interface.
It enables the simultaneous connection between headset and telephone handset and ease in switching between both of these connections. |
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Sennheiser UI720
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$89.95
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| Passive Universal Interface.
It enables the simultaneous connection between headset and telephone handset and is compatible with almost any telephone. Also, comes with headset stand, microphone mute, incoming volume control. |
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Sennheiser UI730
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$99.95
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| Passive Universal Interface.
Compatible with almost all telephones and PCs, it makes problem-free switching between headset and telephone handset, as well as between telephone and PC possible. |
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Sennheiser UI740
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$229.95
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| Active Universal Interface.
The three-position switch guarantees easy installation and the device is compatible with almost every telephone.
It enables the simple switching between headset and telephone handset. |
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Sennheiser UI750 Universal Interface
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$249.95
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| Active Universal Interface.
The three-position switch guarantees easy installation and the device is compatible with almost every telephone.
It enables ease of switching between headset and telephone handset, as well as telephone and PC. |
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