Description
EPOS Expand 40+ Wireless Bluetooth Speakerphone USB A, USB C } Lenovo USB C Mini Dock the ICX7550 24P delivers W1Y45A Type:With 2 SFP+ (JH018A) Mini PC } Lenovo USB C Mini Dock (40AU0065UK) Local Warranty Speaker Driver 28 mm moving coil Speaker Frequency Response 100 Hz – 20 kHz Microphone Frequency Response 100 Hz – 10 kHz Sound Output Up to 91 dB Noise Cancellation Beamforming with 2 MEMS microphones — this is microphone noise cancellation