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It means that the hearing amplifier is running. They can't be opened directly by hand. You must ensure that the ear canal and earplugs are sealed while wearing them in your ears,then turn them on and adjust the volume until you can hear the sound. 1. Ensure that the user tries it out himself 2. First use in a quiet environment to wear and use 3. Choose an earplug that fits closely to the ear canal 1. Need to fully charge the hearing amplifier 2. Clean the earwax that is blocking earplugs 3. Adjust the volume until you can hear clearly With the 1222 at your side, you’ll be equipped with a versatile hearable that allows you to be fully engaged. A rechargeable battery to save time and money. Leave the 1222 charging overnight for 8 hours and its battery will provide 35 hours of continuous usage, allowing you to go for days. This hearable is ready-to-wear, light-weight, with an ergonomic fit. With entry-level noise reduction capabilities the 1222 helps to reduce unwanted feedback and noise. Switch back and forth from the 1222’s default ‘soft’ mode to ‘sonority’ mode to better hear speech as needed. With an adjustable ambidextrous hearing tube that swivels left and right, the choice is yours whether to use the 1222 in either ear! Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. To report an issue with this product or seller, click here. To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.


