Softphone and chat information Saved on phone, ideal for traveling with VoIP!!!

Yealink USB-M3K is a small and light USB memory stick phone which allows you to bring softphone account information, contact list and chat history with you anywhere, Working as both VoIP phone and memory disk. The pre-loaded softphone automatically runs on any PC without any additional installation and effect once you plug the phone into the PC USB port, real plug and play.

USB-M3K Brochure Download:

Key Features

  • The pre-loaded softphone automatically runs under Windows 2000 , XP or Vista 32bits/64bits.
  • Login information, contact list and chat history are stored automatically in the phone (this feature need the softphone support).
  • Independent storage memory available as portable memory drive(size: 125M/256M/512M/1G/2G).
  • Sound card is built-in, no external power supply needed.

USB Audio Device stereo

  • Compatible with USB 1.1,2.0
  • Compatible with USB AUDIO DEVICE 1.0
  • Buit-in sound card

Audio Feature

  • Support echo cancellation and full duplex communication
  • 48K 16bits PCM format


  • Speaker impedance:32Ω ± 15%
  • Rated input power:3mW
  • Maximum input power:10W
  • Frequency range: 20~20KHz


  • Microphone directivity: Omni directional
  • Microphone sensitivity: -58dB±2dB@1Kz
  • Impedance:Max:2.2KΩ@1KHz
  • Frequency range: 20~20KHz
  • S/N ratio:Min:58dB@1KHz

Software Security

  • The softphone will auto-run once plugged into PC, when disconnected, softphone can auto-logout.
  • All users’ data and settings are encrypted, can not be viewed or modified in windows explorer.

Physical Feature

  • Dimension: 11mm*21.5mm*78mm
  • Weight: 11g
  • LED: Blue light indicating power on
  • One Headset jack
  • Operation voltage: 4.5-5.5V
  • Power consumption: Suspend mode<52mA; operating<110mA
  • Operating Humidity: 10~95%
  • Operating Temperature: 0°C~60°C

Packing Details

  • Unit Weight: 0.11kg
  • Unit Dimension: 100*160*35mm
  • Qty: 50pcs
  • N.W/CTN: 5.50kg
  • G.W/CTN: 7.90kg
  • Dimension: 585*405*205mm
  • Volume Weight: 8.11kg

Minimum System Requirements

  • Windows 2000 or XP or Vista 32bits and 64bits
  • 400MHz processor and free USB1.1 or USB2.0 port
  • Any broadband connection or minimum 33.6 Kbps dialup



Created by: Yealink, Last modification: Mon 20 of Apr, 2009 (03:20 UTC)
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