Brand Name | Longen | Model Number | ES3312 |
Material | ABS | Certification | EN352-1 |
SNR | 25dB | Size | 127*100*122mm /132*100*198mm |
Color | Blue, pink, etc. | OEM service | Available |
Sample Time | 3-5 days | Feature | Comfortable wearing noise blocking |
Sample Policy | sample charge free, courier charge required | Other | The price does not contain the packing |