| Place of Origin | Fujian, China | Brand Name | AST |
| Model Number | LENX 4E InstantFit | Type | Hearing aid Instantfit |
| Style | Digital hearing aid | Noise Reduction | 10dB |
| Microphone | Hyperfine ADM Adaptive Directional Microphone | Memories | 3 Memories |
| Battery | Low Battery Indicator | Channels | 6 Channels |
| Bands | 8 Frequency Bands | Other function | Wind Noise Manager |
| Certificate | ISO9001, ISO13485, CE, FDA |