| Noise reduction depth: 20db±2% |
| Battery capacity: 500mAh |
| Impedance: 32Ω |
| Speaker sensitivity: 118db |
| Microphone sensitivity: 40dB±2% |
| Frequency response: 20-20kHZ |
| Working voltage: 2.5V |
| Working current: 10mA Quiescent current (single noise reduction) 7mA |

Company Profile:


The service we can provide :
| Customized branding Logo |
| Customized Bluetooth Pairing Name |
| Customized Professional Packaging and User Manual |
| Provide industrial design / Electronic design / software design / Acoustics Engineering Services OEM / ODM service. |