Audio
Speaker frequency range
40 Hz-16 kHz
Microphone frequency range
100 Hz to 10 kHz
Speaker bandwidth - music mode
40 Hz to 16 kHz
Certifications
CE, CB, FCC, IC, NOM, NTC, EAC, PSB, ICASA, TELEC, SIRIM, ACMA, NZ Telepermit, UL

Fit & comfort
Headset form factor
Headband, neckband available as accessories (Mono)
Ease of use
Battery

Intuitive audio control
Answer/end call - Reject call - Volume control
Voice/mute
Yes
Busylight
Integrated red light on the microphone tip and the headset, activated when on a call or manually by the user when busy, to act as a “do not disturb” signal
Talk-time
Up to 13 hours
Charging time
30 mins for 40% charge 
90 mins for 100% charge
 

Connectivity
 

Connectivity
Deskphone & softphone (PC)
Connection (mini jack, USB, etc.)
Micro USB, RJ-9 for handset, RJ-9 for deskphone audio, RJ-45 for AUX
DECT device
Yes
NFC
No
Bluetooth device
No
Operating range (up to)
Up to 150m
Headset bandwidth
Narrowband and wideband.
Optimised for music (when not on a call)
General
Box content
Headset, base, power supply, USB cable, deskphone cable, documentation, Quick Start guide
Main unit dimensions (W x D x H)
Base: 93 x 90 x 106 mm 
Headset: 141 x 32 x 169 mm (Duo), 147 x 32 x 169 mm (Mono)
Headset weight
82g (Duo) 56 g (Mono)
Security
DECT Security Step C & using FIPS-approved algorithms for key generation, payload encryption and authentication
Warranty
North America: 1-year limited warranty 
Europe/APAC: 2-years limited warranty
Jabra Direct
Yes
Operating temperature:
-10° to + 55°C