Mini Digital Hearing Aid Adjustable Tone Sound Amplifier Axon F-16 Hearing Aid

Specifications: Pocket Hearing aid Max Sound Output: 1295 dB Max Sound Gain: 55dB 5dB Harmonic Wave Distortion: Less than or equal to5 Frequency Range: 450~3500 hz Input Noise: Less than or equal to30 dB Battery: 1 x AA battery (Without Battery) Working Voltage: dc1.5V Working Current: Less than or equal to4mA Color: As the picture shows Item Size: 6.6 x 4.3 x 1.6cm Package Size: 8.5 x 12 x 3.3cm Package included: 1 x F-16 Hearing aid 4 x Earplug (different sizes) 1 x User manual 1 x Box Note: Adjust volume to the minimum before wearing. Choose an earplug of slightly bigger size to avoid whistler. Increase volume gradually to avoid sudden increase in sound. If you hear a howling, check the ear (silica gel) is appropriate and whether the size of plug is tight, the appropriate choice of earplugs and plugged, make sure no air leakage. Keep the ear plug clean Remove the battery if you don't use it for long time. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.