Retone shenzhen Technology Co., Ltd.
Making better hearing part of healthy living
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Rechargeable Mini CIC Personal Sound Amplifier With Portable USB Charger Case
Super Effective Hearing Assist - Ideal for most mild to moderate hearing loss. With noise reduction, these small devices will bring you back in the clear world.
Completely-in-Canal - Very small and lightweight, no burden for ears for long time using. Great for people wearing glasses or masks.
State of the Art Design - Blue device for left ear, red device for right ear, pure white magnetic charging base. Nice appearance and easy to tell the two devices' direction. Obvious On/Off button for easy operation.
Rechargeable - Place it in the charging base, you will get a 24 hours using duration. As easy as charging a mobile phone - no need to dealing with batteries any more.
Ear Protection Output - Automatic sound gain control-output for hearing protection, won't suffer from sudden loud noise.
| K419 Rechargeable hearing aids | Analog ear canal |
| Maximum output (dB SPL):115 | Frequency range (Hz):250-5500 |
| Average output (dB SPL):105 | Harmonic distortion: 500Hz: 2% |
| Full gear gain (dB):40 | Harmonic distortion: 800Hz: 2% |
| Average gain (dB):32 | Harmonic distortion: 1600Hz:2% |
| Battery Capacity (mAh):25mAh | Internal noise (dB):20 |
