Wireless headset system connects to your office phone, giving you superior comfort and mobility up to 300 feet. Voice-dedicated 1.9 GHz DECT technology provides uncompromised audio quality, the lowest probability of interference, and up to 10 hours of talk time. 80 percent recharged in 1.5 hours and fully recharged in 3 hours. Digital encryption assures secure conversations. Includes over-the-head, two-ear headset with noise-canceling microphone. Lifter not included.