305 Upgraded Binaural Magnetic Rechargeable Hearing Aid Wireless Elderly Voice Amplifier - Black

• Painless to wear, ergonomic shape makes wearing more comfortable
• Magnet adsorption charging, convenient and quick charging
• The product adopts dynamic speaker, the sound quality is clear and more pleasant.
• There are 5 levels of sound adjustment, suitable for people with different hearing loss
• Imported chip, intelligent noise reduction, reduces background noise, uses dynamic iron speaker, hears more clearly
• The hearing aids can be used continuously for about 30 hours when fully charged, the charging box can charge 4-5 times for dual hearing aids
• Convenient to carry, the product's charging box is also a portable box, which can be carried around and charged at any time
• Fingerprint intelligent touch control, simple and convenient, full of technology
• Delay 10 seconds to turn on the hearing aid after removing it, avoiding the troubles brought about during the wearing process (No need to turn on the hearing aid manually, 10 seconds later to turn on the hearing aid automatically)

Specification: 

• Hearing aid use time: 30 hours 
• Hearing aid charging time: 2.5-3.5 hours 
• Charging time for the charging compartment: 2-3 hours
• Charging bin available for hearing aid charging times: 4-5 times
• Battery type: Lithium polymer battery
• Single hearing aid battery capacity: 45mAh
• Rechargeable bin battery capacity: 300mAh
• Maximum saturation OSPL90 (dB): ≤120±3dB
• High-frequency average OSPL90 (dB): 110±4dB
• Full-range sound gain (high-frequency average): 30±5dB
• Frequency response range: not narrower than 320Hz-4500Hz
• Total harmonic distortion: ≤10%
• Equivalent input noise level: ≤ 30dB
• Rated power supply current consumption: ≤1.5mA
• Rated voltage: 3.7V
• Certification: CE, ROHS, FCC