<a href="https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/headset-500-series/datasheet-c78-740352.html" style="display: block;">https://www.cisco.com/c/en/us/products/collateral/collaboration-endpoints/headset-500-series/datasheet-c78-740352.html</a><br><br><br><br><ul><li>Lightweight comfort that is ideal for extended wear</li><li>Premium sound in a sleek form factor ΓÇô great for music and voice communications</li><li>Powerful noise isolation with unidirectional microphones that are designed to hone in on the userΓÇÖs voice and simultaneously minimize background noise</li><li>Easy, intuitive user configuration experience when used with Cisco IP phones*</li><li>Extended Digital Enhanced Cordless Telecommunications (DECT) range (300+ feet) with wireless models</li><li>Flexible options for connecting to devices: various models support USB, RJ, 3.5 mm, DECT, and Bluetooth connections</li><li>Proven reliability and integrations for Cisco IP phones, Cisco DX Series endpoints, and Cisco soft clients</li><li>Easy device management and automatic firmware upgrades when used with Cisco Unified Communications Manager*</li></ul>
Cisco 531. Type de produit: Casque, Style de casque portable: Arceau, Utilisation recommandée: Bureau/Centre d'appels. Technologie de connectivité : Filaire. Couplage auriculaire: Supra-aural, Fréquence des écouteurs: 50 - 18000 Hz, Impédance: 90 ?. Type de microphone: Perche, Fréquence du microphone: 150 - 6800 Hz. Niveau de pression sonore (max): 118 dB
