USB Omnidirectional Microphone with Blueteeth 5.0 Built-in

Key featuresPlug and play, it can be connected to computer and mobile phone quickly for meetingIntelligent connect, It can be paired with 2 Bluetooth enabled devices at the same time.A device connected to the M300 via Bluetooth can conduct                                    hybrid conferencing with another device connected to the M300 via USBMicrophone Array: Built-in four microphones array, 360° omnidirectional sound pick up, full duplex audio technology, can better long-distance sound                                pick up call, more accurate ,Accurate listening to sound discriminate, intelligent noise reduction, automatic gain, echo cancellation.Support through USB to mobile phone and other devices power emergency, reverse charging, multiple circuit protection, energy within reach.The bar RGB indicator, with a variety of colors, allows users to easily identify the current product power, volume, calls, mute and other working conditions, easy to operate.Portable,easy to carrySpecficationsName: Omnidirectional SpeakerPhone    Covering area: 15-30 SQM Number of participants: 6-12 attendees Connection method: USB 2.0, Bluetooth 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 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 features: 32K Sampling rate, HD broadband audio, full duplex audio USB protocol: UAC 2.0 Echo cancellation: Support Noise suppression: Support Gain control: Support 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. M300 charges peripherals such as mobile phones through USB Type-A interface;" Button:  Touch the button (mute button with light indicator) 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 Dust-free workshop ZhengDa foucus on high quality products Products pass the CE &FCC&RoHS&CCC certification/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1