The Jabra Engage 65 Headset Bundle #9555-553-125 is a DECT wireless headset with 150m/490ft range, up to 13 hours’ battery life and integrated busylight. This wireless headset can connect to 2 devices and weighs just 18g. Meets Skype for Business Open Office requirements. In addition to greater freedom and comfort, never miss another call with the included Electronic Hookswitch Adapter for Select Cisco phones A noise-cancelling microphone eliminates unwanted background noise from offices and call center environments while Digital Signal Processing technology enhances speech clarity. It can connect to 1 USB device (desk phone or softphone) and 1 analog phone. What's in the Box ✅Jabra Engage 65 Headset ✅Earhook ✅USB Cable ✅Eargel ✅Jabra Base Station ✅Jabra Deskphone Cable ✅Jabra Power Supply ✅Cisco Electronic Hookswitch Adapter ✅Global-Teck Microfiber Cloth Compatible Cisco Phones 6945 8851, 8861, 8865, 8961, 9971, 9951, DX650, DX70, DX80,