USB/Bluetooth Desktop Conference Speakerphones with 360 Audio Pickup up to 4M

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The BG-SMB-4M is a USB/Bluetooth speakerphone. It is equipped with an integrated high-fidelity omni-directional microphone to provide a 360-degree pickup, up to 12 feet away. This speaker can quickly connect to laptops, smartphones and tablets via the USB, or Bluetooth connections. The rechargeable battery features a 4-hour battery life for performance on the go.

The 3.5mm headset port allows users to switch from a conference call to a private conversation. With full-duplex echo cancellation, noise reduction, and ultra-wideband HD voice technology this speaker provides crystal clear sound free from echoes or distortions. Capable of volume levels up to 85dB, it's also equipped with a line out connection for situations where more volume is needed.


  • Easy to Use
    USB Plug and Play
  • Flexible
    Connect via USB, WiFi, or Bluetooth
  • Mobile
    Comes with a carrying case
  • Echo Cancellation
    Sounds good in any room
  • Durable
    Designed to handle years of use
  • Powerful Sound
    Works well for voice or music
  • Integrated high-fidelity omni-directional microphone provides 360 degree pickup up to 12 feet away
  • Advanced DSP technology delivers remarkably rich, crystal-clear audio
  • Suitable for meeting rooms up to 40 square meters
  • Connects in seconds to laptops, smartphones and tablets via USB or Bluetooth
  • Ideal for voice, music and multimedia
  • 3.5 mm audio output allows multiple playback options
  • 22KHz full duplex echo cancellation & noise reduction removes ambient room noise
  • Designed to be as mobile as you are - Lightweight design, protective travel pouch, and a 4 hour battery life help you get things done on the go
  • Works with most video conferencing and cloud communication apps


Meet, Connect, & Engage with the BZBGEAR Conference Kit for Any Size Room
Meet, Connect, & Engage with the BZBGEAR Conference Kit for Any Size Room
BZBGEAR Bluetooth and USB Speakerphones for Any Business Conference
BZBGEAR Bluetooth and USB Speakerphones for Any Business Conference

Tech Specifications

Voice technical parameters Acoustic Echo cancellation (AEC): >65dB
Echo length cancellation: ≥500ms
Bidirectional noise compression (NC): <25dB
Automatic Direction finding Technology of Intelligent microphone (EMI)
Automatic gain control (AGC)
Audio parameters Microphone frequency response: 100Hz-22KHz
Speaker frequency response: 100Hz-22KHz
Speaker volume: 95dB at the most
Microphone sound-pickup diameter: 4m, 360 degrees full range
Interface Bluetooth / USB interface, 3.5mm audio output
Power supply USB power supply (5V/500m)
Computer environment Windows, Mac OSX, Android
Operating environment Operational environment: 32 ~ 104°F / 0 ~ 40°C, Working humidity: 20 ~ 85% (no frost)
Size 5.6 x 5.6 x 1.7in / 7.6 x 7.6 x 3.5in (before/after packaging)
141 x 141 x 42mm / 192 x 192 x 90mm (before/after packaging)
Weight 0.57 lbs / 1.1 lbs [260g/500g] (Net/Gross weight)



  • Microphone
  • 1.8m USB cable
  • User's manual


  1. Answer/Hang up button.
  2. Bluetooth button.
  3. Microphone activate/mute.
  4. LED indicator - green microphone active, red microphone mute.
  5. Volume -.
  6. Volume +.
  7. Power button.
  8. Micro USB interface to connect to PC audio source.
  9. 3.5mm stereo mini input jack.
  10. Bluetooth indicator led.