Scienlodic Mini Hearing Aids Charge Ear Invisible Sound Amplifier ITE Hearing Aid Hearing Mechanical for Deaf/Elderly

Product details Peak OSPL 90 ( dB SPL): 118dB HAF OSPL 90 ( dB SPL): 110dB Peak Gain(dB) : 35dB HAF/FOG Gain (dB) : 30dB Frequency range(Hz) : 300-4000Hz Distortion : 500Hz : 5.0% 800Hz : 3.0% 1600Hz: 3.0% Charger current and voltage:INPUT:AC100-240V,50-60Hz/0.15A OUTPUT:5V,1000mA Instructions: 1.Clean the ear canal before use. 2.Charge the hearing aid,turn the botton to N 3.When using it for the first time, please turn the volume to the minimum and then slowly increase it. 4,Try and select suitable ear dome. Install the ear dome and make sure it fits snugly. 5,Insert the hearing aid into the ear canal,adjust its position in the ear canal until the soft eartip is fully deployed and fill the ear canal. Note: 1 If the earbuds cannot fill the ear canal, it may cause feedback or whistler,So repeat step 5 to reduce howling and noise. 2 If not in use, please turn off the power. 3 Please use the matching charger to charge the product, otherwise it may damage the product. 4 If you need to use a replacement charger, please use a charger suitable for the product. If an inappropriate charger is used to charge the product, it will cause damage to the product. 5 Normal hearing person can not experience the real effects of hearing aids.If it is not purchased for yourself,please help the user use and adjust it. Products include: 1 * hearing aid 1 * storage box, 3 * earmuffs(different sizes) 1 * Cleaning Brush 1 * Volume adjustment bracket 1 * Charging adapter 1 * Charging head 1*Instructions (Please make sure has read the manual before use )