 
												
											| Format | AEC/AGC/NR/NLP/ALC | 
|---|---|
| Noise Reduction | -70db, intelligent Noise Reduction | 
| Noise Suppression | 15db-45db | 
| Speaker | 4Ω 3W High Fidelity Horn | 
| Frequency | 20 - 20KHz | 
| Audio Ratio | 85dB | 
| OS | Windows, Mac, Android | 
| Software | Skype, Zoom, Google Meeting, Tencent Meeting... | 
| Detect Distance | 5m | 
| Sensitivity | -28+/-2db | 
| Frequency | 50~10KHz ≥ | 
| Output Impedance | ≤ 2.2KΩ | 
| Noise Ratio | ≥ 86dB | 
| Sound Level | ≤ 100dB | 
| Current | ≤ 500uA | 
| Storage Condition | 40~70°C, -0~95% | 
| Work Condition | 0~50°C, -20~90% | 
| Key | Vol+/-, Speaker Mute, Record, Mic Mute | 
| LED Indicator | LED Light on is working status | 
| Storage | Bluetooth Light On as Connection Status | 
| Connection | TF CardUSB, Bluetooth | 
| Port | C type USB 2.0, 3.5mm earphone in/out | 
| DC Input | 4.5~5.5V, USB Power Supply DC5V/500MA | 
| Accessories | Quick Start Guide | 
| Certification | BIS |