Bernetta

Bone conduction headphones

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Bone conduction headphones are a type of headphone that uses vibrations to transmit sound to the inner ear. This type of headphone is often used by people who are hard of hearing or have hearing impairments, as it allows them to hear sound without having to use traditional headphones. Bone conduction headphones are also used … Read more

Combination and permutation

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A combination is a selection of items from a set where the order is not important. For example, if you have a set of three items, say a, b, and c, then the following are all combinations of two items: ab, ac, bc A permutation is a selection of items from a set where the … Read more