Cisco 561 Wireless Single Headset 677QX18

ENHANCED MOBILITY WIRELESS AND SECURITY: The Headset 561 (single-ear cup) DECT technology provides users the freedom to roam up to 300 ft from the multi-source base (connected up to 3 devices) with secure crystal-clear audio and up to 9 hours of talk time PREMIUM AUDIO, NOISE ISOLATION AND CONTROL: our comfortable, all-day wear design creates a full and rich sound that makes collaboration easier and music more enjoyable. On-ear controls allow access to key call control capabilities, mute/unmute and volume COMPATIBILITY: Cisco DECT headsets are optimised for Cisco Jabber/Webex devices/computers with USB-A ports. Also, compatible with Cisco IP Phones with USB-A, Bluetooth and/or RJ-9/AUX ports including 6851/6871/6900/7800/8800 models INTEGRATED SERVICEABILITY: Easier to deploy, manage and service when using Cisco headsets with Cisco Unified Communications Manager, Cisco Webex Control Hub and Cisco devices PEACE OF MIND: 1-year limited liability warranty