| Model | Unear M31E |
| Speaker | |
| Rated Output Power | 4Ω/5 W |
| Total Harmonic Distortion | ≤ 5% |
| Speaker | Single speaker |
| Microphone | |
| Microphone Type | 8 MEMS |
| Sensitivity | ‑26Dbfs 94 dB SPL @ 1 kHz |
| SNR | 64dB(A)@20 kHz bandwidth, A‑weighted |
| Pickup Range | 6 meters |
| Audio Performance | |
| Full‑duplex Transmission | Support |
| Echo Cancellation | Support |
| Auto Gain Control | Support |
| Reverberation Suppression | Support |
| Max. Background Noise Suppression | Support |
| Cascade | |
| Cascade Mode | POE network cable |
| Cascaded Devices | ≤ 5 units |
| General | |
| Accessories Included | 1 × Quick Guide, 1 × POE Network Cable, 1 × Data Cable |
| Operating System Support | Windows/Linux/Mac |
| Power Supply | Type C, PoE, DC |
| Product Dimensions (W × H × D) (mm) | 156 × 55 × 147 |
| Packaging Dimensions (W × H × D) (mm) | 200 × 300 × 90 |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | ‑20°C to 60°C |
| Operating Humidity | 10% to 90% RH (non‑condensing) |
| Weight (kg) | Net weight: 1.06 Gross weight: 1.25 |
| Interface | |
| USB | USB Type‑C |
| Power | DC |
| Network Port | 1 x PoE IN, 1 x PoE OUT |
| Power Button | Support |
| Audio | Audio output |
| Indicator | Power indicator |
Hotline(English):
800-860-7999(USA) | 800-914-6008 (Canada)
+86 571 85309090 (Other Regions)
Email/Skype: service@uniview.com