ENHANCED NOISE REDUCTION: Advanced hearing aids has upgraded smart chip to reduce noise by 30%, providing a natural and immersive listening experience. Perfect for people with poor hearing, the earplugs can be adjusted for both left and right ears. CUSTOMIZABLE MODES: Tailor your listening experience with 4 frequency modes and 4 volume levels, ensuring clear sound in any environment. Our comfortable and easy-to-wear hearing aids are perfect for every occasion. SAFE AND COMFORTABLE: Our hearing aids are made with the latest materials, including a nano-coated, waterproof, and sweat-proof shell. With five different dome sizes and cleaning tools included, they’re perfect for any ear canal. Plus, with no radiation or harm to human ears. RECHARGEABLE AND PORTABLE: Our hearing aids are USB rechargeable, eliminating the need for frequent battery changes. With a full charge time of 2-4 hours and a battery life of up to 35 hoursthey’re perfect for on-the-go use. Max sound output:118 ( /-4dB) Sound gain: ≥32dB ( /-2dB) Total harmonic wave distortion: ≤7% Frequency range:300-4500MHz Input Noise:≤32dB 6.Voltage:d.c.3.7V 7.Current:<2mA Full charging about 2-4 hours Normal working about 35 hours
