Full specification
DECT 1880-1900 MHz wireless
Wireless range: 590 ft / 180 m (line of sight)
Weight: 21 g
Talk time: Up to 13 hours per battery, unlimited with hot-swap
2 hot-swappable batteries included
Noise-canceling microphone with close conversation limiting
3-way connectivity (PC, desk phone, mobile)
3-in-1 convertible wearing styles (over-the-head, over-the-ear, behind-the-neck)
Includes D400 DECT adapter, USB-A to USB-C cable, office base, charging cradle
Bluetooth 4.2 compatible
Frequency response: 20-20000 Hz
DECT Forum security certified
Poly standard 2-year limited warranty
