Specifications of ESW01-N1
| Weight | about 22 g |
| Color | black |
| PTT Key | available |
| Microphone Sensitivity | -45±3dB@1kHz 2.0V 2.2K,0dB=1V/Pa |
| Speaker Power | 3 mW (rated); 5 mW (max.) |
| Speaker Impedance | 16Ω±15%@1kHz |
| Speaker Frequency Response | 108±3dB@1kHz at 1mw |
| Communication Protocol | Bluetooth V2.1 |
| BT Range | 8~10m |
| Certification | CE、FCC、IC |
| Battery Life | ≥4H |
| Charging Time | ≤2H |
| IP Rating | IP54 |
| Operating Temperature | -20 to 60℃ |
| Storage Temperature | -20 to 60℃ |