 
        | Main centres: | 1-3 business days | 
| Regional areas: | 3-4 business days | 
| Remote areas: | 3-5 business days | 
| General Specification | |
| Brand | USAMS | 
| Model | US-SJ022 | 
| Color | black, gold, rose gold | 
| Cable Length | 1.2 meters | 
| Wearing Type | In-ear | 
| Material | ABS + Aluminum alloy + TPE | 
| Product Weight | 170g | 
| Technical Parameters | |
| Conectivity Interface | 3.5mm audio jack | 
| Driver Unit | 14.2mm | 
| Receive Sensitivity | 104±4dB (1KHz) | 
| Impedance | 32±15%Ω | 
| Frequency Response | 20-20KHz | 
| Microphone | Support | 
| Mic Sensitivity | -40±5dB (0dB=1V/Pa1KHz) | 
Package Included:
| 1 x USAMS SJ022 Earphone | |
| 1 x English User Manual | 













