The jabra pro 900 dect variants gives you the wireless freedom to walk and talk at up to 120 meters of range or 100 meters for bluetooth variants never miss a word of whats being said enjoy crystal clear conversations with high definition sound protective features like safetone cut off loud noises and protects your hearing jabra pro 900 is easy to set up and get started with each headset comes with a pre connected base so you can make calls straight away