Aparelho Auditivo Recarregável Sem Fio com Amplificador de Som ITE Mini Invisível para Idosos, Fones de Ouvido para Surdos

Describe: 1.əşyaYou'll need to charge the detachable charging case firstBu taşınabilir ve sizi sürekli olarak bir düğme pil almaktan kurtarıyor 2.Charging time: Charging for 4-6 hours, it can work for 20 hours, the indicator light is red when chargingTurns off when fully chargedFor removable charging time 3.Özellikle işitme engelliler için tasarlanmıştır, kulak kanalına daha iyi otururNo pain even when worn for a long time. 4.If the earmuffs are not fully inserted into the ear canal or air leaks from the earmuffs, it will cause an annoying whistleWe offer three different sizes of ear tips to reduce whistling and noise Product parameters: Peak Gain dB: 32dB HAF/FOG gain dB; 29dB Frequency range Hz: 300-3500Hz Equivalent input noise dB: 25dB Voltage: DC 3.7V Current: ≤1.5mA Charging time H: 4~6 One charge working time H: 20h Battery: built-in lithium battery