Provides superior wireless connectivity with a range of up to 150 meters. An advanced noise-canceling microphone and optimized speakers deliver precise call quality even in noisy office environments. Compliant with Skype for Business Open Office standards, the Jabra Engage range of headsets offers up to 13 hours of talk time and includes a built-in busy light. Connect up to two devices simultaneously and let colleagues know you don't want to be disturbed. Jabra Engage 65 headsets connect to a USB device (softphone or desk phone) and an analog landline phone.