The OEM Zum eco-Set DECT 6.0 Wireless Headset features Eco-DECT technology for safe power output with minimal emissions. Its light, flexible over-the-ear design ensures a comfortable fit for all-day use. The noise-canceling microphone effectively reduces background noise to keep distractions at bay. With a 500-foot range, this headset provides complete mobility for on-the-go performance. The long-lasting battery allows for up to 9 hours of use, ensuring you never drop a call.