GT-M300

● Applicable scenarios:

personal office for business people, small meeting rooms, carry-on travel, etc.

● Plug and play:

Portable USB omnidirectional microphone (SpeakerPhone), which can be quickly connected to a computer or mobile phone to join a conference via Bluetooth or USB, simple and convenient, plug and play.

● Smart connection:

It can connect and pair with 2 Bluetooth-enabled devices at the same time. A device connected to the M300 via Bluetooth can conduct a hybrid conference with another device connected to the M300 via USB.

● Microphone array:

Built-in four-microphone array, 360 ° omnidirectional pickup, full-duplex audio technology, can better pick up and call at a long distance, more accurate listening position, intelligent noise reduction, automatic gain, echo cancellation.

● Using 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. It is better to transmit high-quality audio wirelessly with mobile phones/tablet devices to achieve wireless Bluetooth streaming.

It supports emergency power failure of mobile phones and other devices via USB, reverse charging, multiple circuit protection, and energy at your fingertips.

Built-in 6500mAh high-capacity battery, continuous energy, full of vitality at any time, long-lasting battery life, endless, wonderful all day.

The bar-shaped RGB indicator light, with a variety of colors, allows users to easily identify the current power, volume, incoming call, and mute of the product, and the operation is convenient and simple.

The appearance is small and exquisite, and it can be easily put in a pocket for easy carrying.

■Meeting ability

Covered area	15-30 ㎡
Number of people	6-12 people

■Microphone

Types of	Omnidirectional microphone
Microphone array	B u i l t - i n f o u r o m n i d i r e c t i o n a l microphones form a ring array, 360 ° omnidirectional pickup;
Pickup distance	The best pickup distance is 3 meters, and the effective pickup distance is 5 meters;
Frequency response	100Hz~8kHz
Signal to noise ratio	65dB

■Speaker

Types of	Full range speaker
Sensitivity	88 dB SPL at 0.5 m
power	Maximum output power: 5W; Effective power: 3W;
Frequency Range	Talk mode: 150Hz ~ 8kHz; Music mode: 20Hz ~ 20kHz;
volume	84dBA (1m distance)

■Audio

Audio characteristics	32K sampling rate, high-definition broadband audio, full-duplex voice;
USB protocol	Support UAC2.0;
`Echo cancellation	support
Noise suppression	support
Gain control	support

■Other specifications

battery	Battery specification: 6500mAh; Full charge time: 4 hours (5V/2A); Maximum charging current: 2A;
size	124m * 124mm * 32mm
weight	0.32 kg
Operating temperature	0° C ~ 40° C
storage temperature	-40° C ~ 60° C

■Interface

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 the speaker with 3.5mm audio cable for music playback;
power supply	(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;
button	Touch the button (mute button with light indication);

Small and Medium Meetings/Personal meeting etc.

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