Microsoft Teams Certified DECT Wireless Headset Headset: (Dual/Mono version) • Weights: 151g • Bluetooth &amp DECT Hybrid Wireless Technology • 3 mic beamforming noise cancellation • Talk time(up to): 16h(Dual, DECT Mode) • Bluetooth?5.2 • Busylight on headset DECT Base Connection Port: • 1x Micro USB 2.0 port (for IP Phone via USB) • 1x Type-C USB 2.0 port (for PC) • 1x Mini USB port (for 3rd Party Phone, EHS62/Telephone Cable) • 1x DC power port • 1x Busylight port (for BLT60) Package Contents: • DECT Base (WHB640T) • Dual headset(WHD642T) • Carrying Bag • Power Adapter • USB 2.0 Cable (USB-A to USB-C) • USB 2.0 Cable (Micro USB to USB-A) • Quick Start Guide &amp Regulatory Notices