Complaint
| Main Features | Applicable scenario 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 | GT-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 |
About Grandtop Camera
Grandtop Electronics was established in 2005,a member of Grandtop Group,we are ISO9001,ISO13485,IATF16949 certified and UL approved factory,Grandtop Camera BU is a professional AV integration and conference solution provider, since it's founded in 2008, Grandtop Camera has been focusing on the high-definition video camera and its accessories. Its products range from HD video conferencing camera, to 4K cameras with intelligence analysis capabilities, MCU, All-in-one camera, microphone and etc.
Grandtop 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!
1. Q: Are you Manufacturer or Trading company?
A: Manufacturer with more than 10 years experience.
2. Q: What's your main products?
A: We have been focusing on the production of HD&4K video cameras and its accessories since 2008.
3. Q: Can you do OEM / ODM for us?
A: Of cause. Let us know what you need, we'll do it for you.
4. Q: Can we visit your factory?
A: Yes, warmly welcome to visit our factory anytime, our factory is only half an hour driving from the Shenzhen Airport.
5. Q: If there is any problem about your products, should we have a refund or replacement?
A: If there is any problem within one year, you will get a brand new replacement.
6. Q: What is your delivery time?
A: For samples, within 1-3 working days after payment received. For bulk order,it depends on your quantity and requirements on OEM / ODM.
