The smallest commercially available fuel cell fits into the Digital hearing aid. A refill unit contains Methanol. The Methanol reacts with the air inside the fuel cell to produce electric power. This 20 seconds process will supply power to the Hearing aid for 24 hours. The Widex EVOKE rechargeable hearing aid will be available before the end of 2019.
6. Water Proof and Dust Proof
Water and Electronics do not get along. All electronic devices need protection from water and dust. The humidity and dust damage the delicate miniature circuits inside the Digital Hearing aids. Exposure to water, humidity and dust can lead to malfunctioning of the Hearing aid.
Earlier, the manufacturers had a Nano coating on the Hearing aid body. The coating made the Hearing aid shell smooth and slippery. The water falling on the Hearing aid rolls off and does not enter the gaps in the Hearing aid body.
The manufacturers have now gone a step ahead of Nano Coating. Selected manufacturers are selling Digital Hearing aids which are safe under water.
Digital Hearing aids are now available with IP rating. IP rating or Ingress Protection rating is an international quality standard. The number indicates the IP rating.
Digital hearing aids marked as IP67 can resist water up to the depth of 1 metre for 30 minutes. IP67 also indicates 100% dust protection.
Similarly, IP68 can resist water up to the depth of 1 metre for 60 minutes. Please read this article on Protecting Hearing Aids from rain and water to know more.
7. External Accessories for Bluetooth Hearing Aids
Thanks to Bluetooth Hearing aids, connecting to external devices has become easy.
- Digital Hearing aids can now connect to Amazon Echo and other AI assistants through the smartphone App.
- Bluetooth Hearing aids streaming makes watching television or listening to music an enjoyable experience.
- Remote Mic is a useful accessory if you are attending a lecture, place the remote mic near the speaker. The remote mic pairs to the Bluetooth hearing aid for clear listening. The ReSound Multi Mic has a range of 80 feet.
- The remote control helps to change the program or the volume settings. The Hearing aid user does not have to struggle with the tiny buttons.
8. Automatic Program Change
The programs of the Digital Hearing aids are for different situations or surroundings. Normal settings are Speech in Noise, for use when one is outdoors. Speech in Quiet, when one is at home or in a silent environment. A Telephone Mode, when one wants to talk on the phone. Digital Hearing aids have a push button to enable the user to change the program. At times this is inconvenient as one has to struggle with tiny push buttons. Very small In the Ear Digital Hearing aids do not have any buttons or control. One has to buy a remote control to make changes.
The latest Digital Hearing aids automatically change the setting without the user having to do so. The built-in software detects the situation and does the needful. The hearing aid also change to telephone mode as soon as the phone is close to the ear.
9. Invisible Digital Hearing Aids
There are vanity issues and stigma attached to the use of Hearing aids. A Hearing aid user thinks that he or she will be considered as deaf or old if seen using hearing aids. Strangely, it’s not the same with spectacles. Our hearing ability and eyesight weakens with age. Users can now choose small Invisible Hearing aids which are practically invisible. Please note that the digital Hearing aids style or the type has to be carefully selected. The style of the Hearing aid should be as per the user’s lifestyle. Select the size and the shape of the Hearing aid according to the lifestyle and budget.
Use of Hearing aids has a lot of advantages. Untreated Hearing loss leads to depression and other health issues. Do recommend the use of Hearing aids for a better lifestyle.