| Maximum Saturated Sound Pressure Level (OSPL90): โค129dB+3dB |
| High Frequency Average Value: 120dBยฑ4dB |
| Full-Gain Sound Increase: 48dBยฑ5dB |
| Equivalent Input Noise: โค32dB |
| Total Harmonic Distortion: โค10% |
| Frequency Response Range: 450Hz~3000Hz |
| Rated Power Consumption: โค10mA |
| Battery size: 1250mAh |
| Charge time: 3 hours |
| Dimension : 75*37*13mm |
| Inside package: packing box; hearing amplifier; instruction, earphone cable set, anti loss rope, earplug,ย ย ย micro screwdriver, charging cable |
