K-82 Best In Ear Sound Volume Amplifier Adjustable Tone Hearing Aid
Описание
Features : 1. Pocket design for portability 2. Anti-shock& anti-drop,user-friendly design 3. Super mini size and light weight, not easily to be seen 4. Reduce noice, provides good sound quality 5. Durable and reliable for long time use 6. Silicone earplugs in 3 sizes : fit most ears 7. Adjust volume to the minimum before wearing 8. Increase volume gradually to avoid sudden increase in sound Specifications : 1. Max sound output : 120dB 2. Sound gain : 30dB 3. Total harmonic wave distortion : 10% 4. Frequency range : 300-4000Hz 5. Input noise : 40dB 6. Voltage : DC1.5V 7. Current : 4mA 8. Color : As pictures Package includes : 1 x K-82 Hearing Aids 1 x User Manual 1 x Case 2 x AG3 Button Cells 3 x Units of earplug of different size Details pictures :
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