K-82 Best In Ear Sound Volume Amplifier Adjustable Tone Hearing Aid

Features : 1. Pocket design for portability2. Anti-shock& anti-drop,user-friendly design3. Super mini size and light weight, not easily to be seen4. Reduce noice, provides good sound quality5. Durable and reliable for long time use6. Silicone earplugs in 3 sizes : fit most ears7. Adjust volume to the minimum before wearing8. Increase volume gradually to avoid sudden increase in soundSpecifications : 1. Max sound output : ≥120dB2. Sound gain : ≥30dB3. Total harmonic wave distortion : ≤10%4. Frequency range : 300-4000Hz5. Input noise : ≤40dB6. Voltage : DC1.5V7. Current : ≤4mA8. Color : As pictures Package includes : 1 x K-82 Hearing Aids1 x User Manual1 x Case2 x AG3 Button Cells3 x Units of earplug of different size Details pictures :