Eachine1 K-80 Best Sound Volume Amplifier Adjustable Tone Hearing Aids Ear Aid

Description : K-80 Best Sound Volume Amplifier Adjustable Tone Hearing Aids Ear Aid Convenient for watching movie, enjoying the drama, attending meeting,and having class, it could help you hear the sound clearly and loudly. Features : 1. Brand New, High Quality 2. Pocket design for portability 3. Anti-shock& anti-drop, user-friendly design 4. Super mini size and light weight, not easily to be seen 5. Reduce noice, provides good sound quality 6. Durable and reliable for long time use 7. Silicone earplugs in 4 sizes : fit most ears 8. Adjust volume to the minimum before wearing 9. Increase volume gradually to avoid sudden increase in sound Specifications : 1. Max sound output : 1105dB 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-80 Hearing Aids 1 x User Manual 1 x Case 2 x AG3 Button Cells 4 x Units of earplug of different size