Earbuds, earphones; wireless and wired ear communication devices for voice transmission; wireless and wired ear communication headsets for voice transmission; wired and wireless custom in-ear devices for data transmission; wired and wireless custom in-ear devices for physiological measurements for non-medical purposes

Custom-fit in ear pieces and devices, namely, earplugs for medical purposes, noise reduction, sleeping, and sound proofing; electronic hearing aids; hearing aids; noise protection ear devices, namely, ear plugs for noise reduction; ear canal stents; wired and wireless custom in-ear devices for physiological measurements for medical purposes