- 👂【Newest High Quality & Intelligent & Clearer】：Made of imported digital chips, intelligent noise reduction, high-frequency suppression and reducing background noise; The dynamic loudspeaker is adopted, with clear and pleasant sound quality, It has the function of stepless speed change to adjust the sound. Using the newest sound amplifier of KOIKEY, you won't miss any clear sound for mild and moderate hearing loss.
- 👂【High Endurance & Fast Charging】: The hearing aid built-in 400 mAh high-capacity battery and magnet adsorption charging are convenient and fast. The old man won't be unable to charge because his hands shake.It will be fully charged in about 2.5-3.5 hours. The hearing aid can be used continuously for about 30 hours when it is fully charged. The charging box can charge the hearing aid 4-5 times.
- 👂【Stepless Variable Speed Volume Adjustment】: Gently press the knob tuning key to adjust the sound. Turn the knob clockwise to increase the sound and counterclockwise to decrease the sound.The hearing aid is a stepless variable speed adjustable sound, which does not distinguish between fixed gears, and can be adjusted to the appropriate sound gear according to the actual situation of the user.Note（ when adjusting the volume, please do not cover the upper pickup hole）.
- 👂【Simple & Convenient Operation】: Design a manual switch. After taken out the hearing aid, turn the on key to N is the on state and O is the off state; You can be turned on after wearing, so as to avoid the trouble during wearing. Attention (make sure the earplugs are closely matched with the ear canal, otherwise it is easy to cause howling).
- 👂【100% After Sales Guarantee】: No need to worry about quality. We are proud of professional technology and considerate service! If you have any questions after purchasing and using this product, please feel free to contact us. We are online 24 hours to solve all your problems. We provide 30 day full refund, 2-month warranty and 365 day technical support.
Part Number: Koikey0001
Details: Ergonomic-fit, comfortable to wear.
Package Dimensions: 5.0 x 3.7 x 1.7 inches