Battery
Battery type	Built-in battery
Battery technology	Lithium-Ion (Li-Ion)
Talk time	13 h
Battery recharge time	1.5 h
Charging source	USB
Standby time	52 h
Battery operated
Rechargeable battery
Fast charging
Replaceable battery
Wireless charging
Certificates
Certified for Microsoft Teams
Headphones
Ear coupling	Supraaural
Headphone frequency	40 - 16000 Hz
Impedance	32 Ω
Noise canceling type	Passive
Noise reduction
HearThrough
Microphone
Microphone type	Boom
Microphone direction type	Unidirectional
Number of microphones	2
MEMS (Micro-Electro-Mechanical System) microphone
Microphone mute
Music player
FM radio
Operational conditions
Operating temperature (T-T)	-10 - 55 °C
Storage temperature (T-T)	-5 - 45 °C
Other features
Applications supported	Jabra Direct;Jabra SDK;Jabra Xpress
Packaging content	Headset;USB dongle;User documents;USB cable;Travel pouch;Charging stand (SKU dependent)
Automatic volume adjustment
Bluetooth Low Energy (BLE)
Voice guidance
Speakerphone
Auto power off
Battery level indicator
Near Field Communication (NFC)
Protective pouch
Voice control
Digital Signal Processing (DSP)
Packaging content
Wireless receiver interface	USB Type-C
Cables included	USB Type-A to USB Type-C
Quantity	1
Charging stand
Charging case
Receiver included
Carrying case
Pouch
Packaging data
Package width (imperial)	20.4 cm (8.03")
Package depth (imperial)	17.4 cm (6.83")
Package height (imperial)	4.5 cm (1.77")
Package width	204 mm
Package depth	173.5 mm
Package height	45 mm
Performance
Product type	Headset
Wearing style	Head-band
Recommended usage	Office/Call center
Headset type	Binaural
Product colour	Black
Operating keys	Answer/end call, Mute, Volume +, Volume -
Volume control	Button
Control unit type	On-ear control unit
Control type	Buttons
Optimized for	Unified Communication
Hearing protection technologies	Jabra PeakStop
Suitable for use in country/location	Europe
Certification	Microsoft Teams;Zoom;Works with all leading UC platforms;Google Meet;Amazon Chime;Works With Chromebook;Microsoft Open Office certification
Foldable
Virtual surround
BeamForming
Heart rate monitor
Motion sensor
Bone conduction sensor
Over the Air Updates (OTA)
Clear Voice technology
DECT connectable
On/off switch
Phonebook access profile (PBAP)
Daisy chain
HD voice
Auto-connect
In-ear pressure relief
Refurbished
Unified communications
Power bass
Push-to-Talk (PTT)
Works with Amazon Alexa
Steel hinges
Ports & interfaces
Connectivity technology	Wireless
USB connector	USB Type-C
Frequency response (music mode)	40 - 16000 Hz
Frequency response (talk mode)	150 - 6800 Hz
Wireless range	150 m
USB connectivity
Bluetooth
Power
USB Type-C charging port
Supplier features
Charging time	90 min
Sustainability
Sustainability certificates	TCO
Technical details
Warranty period	1 year(s)
Easy pairing
Multipoint connectivity
Weight & dimensions
Weight	83 g

Engage 55 SE Convertible headset UC with earhook, Link 400c DECT adapter USB-C, Engage 55 Deskstand, 1.2m USB-C to USB-C Cable, Eargels, Headband, Neckband, Carry case, Warranty and warning (safety leaflets)