Doosl Hearing Aids for Ears Rechargeable, Sound Hearing Amplifier with Charing Box for Seniors, Silver, 1 Pairs

TRUSTWORTHYDoctor and audiologist designed for mild to moderately severe hearing loss. Enjoy crystal clear hearing for a fraction of the price for the same technology as the expensive prescription hearing aids. EXACT CLEAR SOUNDAdjustable hearing programs for all different environments. Rotate volume control for levels of sound volume regained clear sound easily and conveniently with feedback cancellation and noise cancellation. DIGITAL DISPLAY SCREEN CHARING BOXWith a single 4-5hours of charging for the hearing device, you can use it for up to 50 hours. A Digital display screen charging case offers 4-5 times charge, Remind how much power you have left. You never need to replace batteries repeatedly, just charge whenever you want. COMFORTABLECompact and behind the ear (BTE) makes it almost invisible. Friendly for glasses or mask-wearing. Plenty of ear domes with different sizes for choice provide all-day comfort. Features: Package Weight: 0.4 lb Package Dimensions : 5.9*3.14*1.65 inches Max sound out put:129+/- 3dB Sound gain:>= 40dB+/- 5dB Total harmonic wave distortion:<= 10% Frequency range:350-4500MHz Input Noise:<=32dB Voltage:d.c.1.2V Current:<=2mA Charing box:1. Include 600mAH2. Full charing about 2 hours3. Hearing Amplifiers recharging about 4 times Hearing Amplifiers:1. Include 45mAH2 .Full charing 4~5 hours3. Working time 50 hours /pc4. Total working time 400 hours / 2pcs Package Included: 2*hearing aids 6*Earplugs 2*Brush 1*User Maual 1*USB Charging cable 1*Charing Box Digital display screen Charing Box Boost high-frequency sound Improve conversations Watch TV with normal volume Hear clearly in noisy environment