Specifications
Language Versions Menus/display: Chinese, Danish, Dutch, English, Finnish, French, German, Italian, 
Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish
Sound Specifications  OmniSound®
Microphone: Omnidirectional, 360°
Reception range: up to 12 people (30m2/320sq ft)
Frequency range: 100 ~ 24000Hz
Volume: 90dB SPL 0.5m
Connections USB: Mini-B connector
Desk phone: For connection to Desk phone use Konftel Desk Phone adapter (900102126)
Headset: 3.5mm phone plug or Bluetooth headset
Bluetooth: v 3.0 supporting Bluetooth profiles A2DP, AVRCP v1.5, HFP v1.6 and HSP. NFC for easy pairing
Power AC Adapter: 100–240V AC/12V DC included
USB powered: via USB cable with inserted battery
Battery Rechargeable battery up to 9hrs talk time
Call Recording Support recording on SD & SDHC (≤32GB) memory card
Upgrades Konftel upgrades utility (for Microsoft Windows) upgrades software 
via the USB connection. It is also possible to upgrade via an SD card
Dimensions Size: Width 222mm, depth 206mm, height 68mm
Weight: 640g
Colour: Liquorice black and silver
Display and Keypad Display screen: Colour LCD, 240x320px.
Buttons: Touchscreen plus on/off and microphone/speaker switch-off
Environment Temperature: 5°C ~ 40°C
Relative humidity: 20% ~ 80% condensation free
Warranty Two-Year