Microphone Array: A circular array of built-in four omnidirectional microphones, 360° pick-up
Pickup Distance: 6 M
SNR: 65 dB
Frequency Response: 100Hz ~ 8kHz
Reproducer
Reproducer Type: Full frequency reproducer
Sensitivity: 88 dB SPL (in the range of 0.5m)
Rate of Power: Max output 5W, effective 3W
Volume: 84dBA (in the range of 1m )
Frequency Range: Call mode: 150Hz ~ 8kHz; Music mode: 150Hz ~ 16kHz
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
Net Weight: 0.444 Kg
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
Button: Touch the button (mute button with light indicator)
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 SM3B5 device through USB Type-C interface; (2) Output: USB Type-A interface. SM3B5 charges peripherals such as mobile phones through USB Type-A interface;
Environmental Condition
Rechargeable Battery: Battery specification: 6500mAh; Full charge time: 4 hours (5V/2A); Maximum charging current: 2A; Duration: 24 hours;