• Portable USB & Bluetooth Conference Phone
• USB Cable 3m (9.8 ft)
• User's Manual

Connectable Devices:

• USB: Computer running Windows or macOS
• Bluetooth: Smartphone running Android or iOS

Supported OS: Windows 10 (32bit/64bit), Windows 8.1 (32bit/64bit), Windows 7 (32bit/64bit), macOS 10.14, macOS 10.13, macOS 10.12USB: USB 2.0 or later

Bluetooth:

• Version: 2.1 + EDR
• Supported profiles: HFP (1.6), A2DP
• Supported codec: CVSD, SBC, mSBC
• Wireless output: Class2
• Maximum communication distance: 10 m (32.8 ft) (no obstacles)
• Radio frequency (operational frequency): 2,402 to 2,480 MHz
• Maximum output power (EIRP): 4.0 dBm (2.5 mW)

NFC: Compatible devices: NFC-compatible Android devices, versions 5.0, 4.4, 4.3, 4.2, and 4.1

Operating Environment:

• Temperature: 0 to 40 °C (32 to 104 °F)
• Humidity: 20 to 85% (no condensation)

Storage Environment:

• Temperature: -20 to +50 °C (-4 to 122 °F)
• Humidity: 10 to 90% (no condensation)

Others: Firmware update (transferred from a PC through USB)

Audio:

• Microphone: Unidirectional microphones x 3, 360° coverage
• Speaker: Full-range speaker x 1
• Volume: Momentary maximum: 91 dB (0.5 m)
• Frequency Bandwidth:
  
• For sound pickup: 100 Hz to 20,000 Hz
• For playback: 190 Hz to 20,000 Hz

• Signal Processing: Adaptive echo canceller, Noise reduction, Automatic tracking, Automatic gain control, Dereverberation, SoundCap