Yealink WH64 Hybrid Dual Teams DECT Wireless HeadsetFeatures DECT & Bluetooth Hybrid Wireless Technology Acoustic Shield Technology 2. 0 Plug & Play for Mainstream IP Phones Hybrid Visual Busylight Compatible with mainstream UC platforms DECT talk time: Up to 16 hours Wireless DECT range: Up to 150m Bluetooth Talk Time: Up to 32 hours Wireless Bluetooth range: Up to 50m Headset weight: 151g Base station weight: 180g What's in the box? Yealink WH64 Dual Teams Headset WDD60 USB A Dongle USB 2. 0 Cable