Jabra Pro 920 Duo - Headset - UK version.

Product type: Headset - DECT - wireless
Recommended use: Phone
Headphone form factor: On-ear - convertible
Connectivity: Wireless technology DECT
Sound mode: Stereo
Microphone: Microphone tree
Control element: Mute button

Detailed specifications:
General
Product type: Headset - DECT
Note: UK version
Weight: 27 g
Recommended use: Phone
Max. operating distance: 120 m

Headphones
Headphone form factor: Earpiece - convertible
Connection technology: Wireless technology DECT
Sound mode: Stereo
Microphone type: Microphone tree
Remote control: Mute button
Wireless connection: Transmission range 120 m

Miscellaneous
Accessories included: AC adapter, base station
Power supply: Battery
Headset battery: Rechargeable
Included number: 1
Operating time (up to): 8 hours
Standby time: 36 hours.