HEARING OF THINGS (HOT)

Audio components, audio hardware, audio appliances, and wireless multifunctional in-ear earplug, earphone, headphone, or headset device for transmission, recording, or presentation of data for transmission, recording, or presentation of data, such as audio data used to provide personalized audio for a device user; personalized in-ear earplugs, earphones, headphones, headset devices for use with sound receipt and transmission systems; audio components, audio hardware, and audio appliances related to the Internet of Things