Omnidirectional microphone HZ-M300
HZ-M300 is a Powerful Omnidirectional SpeakerPhone/Microphone,dedicated for video conferencing,the applicable scenario is personal office of business people, small conference room, portable type for business trip,etc.



Plug and play
SpeakerPhone is a portable USB SpeakerPhone that can be used to quickly connect to your computer or mobile phone via Bluetooth or USB for mommunication. it is very ease in use.
Intelligent connection
It can be paired with two bluetoothenabled devices at the same time.A device connected to the HZ-M300 via Bluetooth can conduct hybrid conferencing with another device connected to the HZ-M300 via USB.
Microphone array
Built-in four microphone array, 360° omnidirectional sound pickup, full duplex audio technology, can be better remote sound pickup communication, more accurate sound position discrimination, intelligent noise reduction, automatic gain, echo cancellation.
With Bluetooth 5.0 technology
Compared with the previous generation technology, the transmission rate is increased by 2 times and the transmission distance is increased by 4 times. In this way, high quality audio can be better transmitted via wireless on mobile phone/tablet devices to achieve wireless Bluetooth streaming media.
It supports reverse charging for mobile phone and other devices which is emergency power failure. Featured with multiple circuit protection.
Built-in 6500mAh large-capacity battery, super fast flash charging, endless energy, full of vitality at any time.
Bar RGB indicator light, with a variety of color collocation, allows users to easily identify the current product power, volume, call, mute and other working state, easy and simple operation.
Small and delicate appearance, easy to put into the pocket, convenient to carry.
Model | HZ-M300 |
Name | Omnidirectional SpeakerPhone |
Meeting capacity |
Covering area | 15-30 SQM |
Number of participants | 6-12 attendees |
Connection method | USB 2.0, Bluetooth |
Microphone |
Microphone type | Omnidirectional microphone |
Microphone array | A circular array of built-in four omnidirectional microphones,360°pick-up |
Pickup distance | 6 meters |
Frequency response | 100Hz~8kHz |
SNR | 65dB |
Reproducer |
Reproducer type | Full frequency reproducer |
Sensitivity | 88 dB SPL (in the range of 0.5m) |
Rate of power | Max output 5W, effective 3W |
Frequency range | Call mode: 150Hz ~ 8kHz;Music mode: 150Hz ~ 16kHz |
Volume | 84dBA (in the range of 1m ) |
Audio frequency |
Audio features | 32K Sampling rate, HD broadband audio, full duplex audio |
USB protocol | UAC 2.0 |
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 etc protocols. |
USB | USB data communication, audio input/ call |
Audio | AUX output,Connect to speaker through 3.5mm audio cable for music playback |
Power | (1) Input: USB Type-C interface; External power supply supplies power to M300 device through USB Type-C interface; (2) Output: USB Type-A interface. HZ-M300 charges peripherals such as mobile phones through USB Type-A interface; |
Button | Touch the button (mute button with light indicator) |
Environment condition |
Rechargeable battery | Battery specification: 6500mAh; Full charge time: 4 hours (5V/2A); Maximum charging current: 2A; Duration: 24 hours; |
Dimension | 124m * 124mm * 32mm |
Weight | 0.32kg |
Working environment | 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) |
Certification | CCC, CE, RoHS, FCC |
Glad to know HZ Camera
Hongzhou Group is ISO9001,ISO13485,IATF16949 certified and UL approved Hi-tech corporation,HZ Camera is a professional AV integration and conference solution provider, since it's founded in 2008, HZ Camera has been focusing on the high-definition video camera and its accessories. Its products range from 1080P video conferencing camera to 4K Video conferencing System with intelligence analysis capabilities, MCU, All-in-one camera, microphone and etc.
HZ Camera's core competence lies in deep understanding of the industry user needs, many years of experience in video communication, ability to convert advanced technologies into product, sincere customer service, and flexible business model.
We welcome customers from all over the world! OEM/ODM available!





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