The ultra-secure DECT™ wireless headset is the perfect choice for financial, medical, government, and contact centers or anywhere sensitive conversations happen. Exceeds enterprise security expectations – designed to meet the highest level DECT™ Security Step C enhanced with Military level FIPS 140-2 listed features, such as 256-bit AES encryption. Noise-canceling microphone with Poly Acoustic Fence technology. Sold by each. Black.