Audio pickup parameters:

• Microphone pickup distance: 5m radius(Single-unit maximum distance)
• Microphone type: 8-microphone array omni-directional
• Frequency response: 100Hz ~16kHz(32kHz high sampling rate)
• SNR (MEMS unit): 65dBA
• Sensitivity (MEMS unit): -26dBFS

Amplification parameters:

• Channel configuration: 1.0
• Power: 1×5W Max
• Impedance: 4ohm
• Maximum sound pressure level: 82dBSPL@1m PN(Maximum power)
• Distortion: ≦1% @1W,1kHz
• Signal-to-noise ratio: ≧75dB
• Frequency response: 120Hz~18kHz

Packaging Contents (Pack of 2):

• Cascading microphone base unit: ×2
• USB Type-C cable (connects to PC host): × 1 USB 2.0, with USB Type-A to Type-C adapter, 1.5m
• USB Type-C cable (cascading cable): × 1 Customized Type-C full pin, non-standard, 3m
• USB wireless dongle: × 1 2.4G proprietary protocol
• Power adapter: × 1 15V/2.4A (Chinese standard)
• User manual: × 1

I/O interfaces:

• Cascading IN and PC USB:USB Type-C
• Cascading OUT: USB Type-C
• Connect to host interface: USB Type C (shared with cascading IN)
• DC IN: DC 2.0
• Buttons: 5 buttons(Answer/End Call, Microphone, Volume+, Volume-, Bluetooth)
• Indicator light: Supports(battery level, volume, microphone, & incoming call notifications)

Power supply:

• Power supply method: DC IN, adapter
• Power supply voltage: 15 V
• Power supply current: 2.4 A

Dimensions and weight:

• Overall dimensions: 126.6mm×126.6×63.2mm
• Package dimensions (length x width x height): TBD
• Net weight: 480g
• Gross weight: TBD

Packaging Contents (Single unit, Slave only):

• Cascading microphone base unit: ×1
• USB Type-C cable (cascading cable): × 1 Customized Type-C full pin, non-standard, 3m

Bluetooth parameters:

• Number of Bluetooth devices: 1
• Bluetooth version: BT5.3+BLE
• Operating frequency of teleconferencing solutions: 2.4GHz
• Operating distance: 10m
• USB Bluetooth dongle: Supports audio playback, high-definition audio input, & is compatible with Windows 7/8/8.1/10, & MAC OS 10.10 & above.

Wireless dongle:

• Wireless frequency: 2.4GHz
• Protocol: Private
• Audio transmission bandwidth: Bidirectional 32KHz
• Operating distance of teleconferencing solutions: 10m
• Functionality: Supports audio playback, high-definition audio input, & is compatible with Windows 8.1/10/11, &MAC OS 10.10 and above

Environmental factors:

• Operating temperature: 0°C~40°C
• Operating humidity: 10%~90%RH
• Storage temperature: -10°C~60°C
• Storage humidity: 10%~90%RH
• Altitude: Up to 5000 meters above sea level