Connects To: PC and Mac via included USB-A cable, desk phones via included cable and smartphones via Bluetooth. Certified for use with Microsoft Teams and compatible with other leading collaboration and voice platforms. Ideal For: Professionals using a variety of desk phone, smartphone, and PC communication. Audio Performance: Keep background noise out of your call with a noise-canceling microphone and close conversation limiting. Talk Time & Roaming Range: Work Better, Hands Free, with a roaming range of up to 180 m/590 ft. Talk all day with up to 13 hours of talk time per charge. Global Warranty & Wearing Style: 2 years; one ear/monaural over-the-head headset.