| Model |
VHD-M300 |
| Name |
Omnidirectional USB microphone SpeakerPhone |
| Meeting capacity |
|
| Covering area |
15-30 Square meters |
| Number of participants |
6-12 people |
| Connection mode |
USB2.0, Bluetooth |
| Microphone |
|
| Type |
Omnidirectional |
| Microphone array |
Built-in
four omnidirectional microphones form a ring array, 360° omnidirectional
pickup |
| Pick up distance |
6m |
| Frequency response |
100Hz~8kHz |
| Audio S/N |
65dB |
| Speakerphone |
|
| Type |
Full
frequency speaker |
| Sensitivity |
88
dB SPL at 1/2 meter peak |
| Power consumption |
3W,
5W at max. |
| Frequency range |
Call mode: 150Hz ~ 8kHz; Music mode: 150Hz ~ 16kHz |
| Volume |
84dBA (distance of 1m) |
| Audio |
|
| Audio Feature |
32K sampling rate, high-definition broadband audio,
full-duplex voice |
| USB Protocol |
Support UAC2.0 |
| Full duplex echo cancellation |
Support |
| Noise suppression |
Support |
| Gain control |
Support |
| Connection mode |
|
| Wireless |
Built-in Bluetooth data communication (Bluetooth 5.0); |
|
Support AVRCP, A2DP, HFP and SBC
codec and other standard protocols; |
| USB |
USB data communication, audio input/call |
| Audio |
AUX output, connect to speakers through 3.5mm audio
cable for music play |
| Power |
(1) Input: USB Type-C interface, the external power
supply supplies power to the M300 device through the USB Type-C interface; |
|
(2) Output: USB Type-A
interface, M300 charges mobile phones and other peripherals through the USB
Type-A interface; |
| Key |
Touch button (mute button with light indication) |
| Environment condition |
|
| Rechargeable battery |
Battery specification: 6500mAh; |
|
Full charge time: 4 hours
(5V/2A); |
|
Maximum charging current: 2A; |
|
Talk time: 24 hours |
| Dimension |
124m * 124mm * 32mm (without package) |
| Net Weight |
0.32 kg |
| Working temperature |
• Temperature: 0°C ~ 40°C (working state), -40°C ~
60°C (non-working state) |
|
• Relative humidity: 45% ~ 90%
(working state), 30% ~ 90% (non-working state) |
