This study incorporates data collection to aid in development of software features related to physical activity for users of ear-worn devices.

This exploratory study involves data collection of adults performing physical activities and activities of daily living for the purpose of comparing data collected by the ear-worn device under test and established gold standard/reference devices and consumer electronic devices. Data collected will be used in the development of software features related to physical activities to benefit the experience of ear-worn device users.

Inclusion Criteria:

• Age 40 - 85
• Minimum height 5'3"
• Fully vaccinated against Covid -19
• Willing and able perform various exercise activities at a light and moderate relative intensity, such as riding a stationary bike, walking and jogging on a treadmill, and performing squatting movements.
• Non-smoker for the past 6 months.
• Willing to abstain from caffeine and alcohol 6 hours before participation.
• Willing to fast from eating 4 hours before participation.

Exclusion Criteria:

• History of chronic heart disease or significant cardiac events (e.g. cardiac arrythmia).
• Diagnosed with diabetes mellitus or other metabolic disorder.
• History of cerebral vascular accident.
• History of pulmonary disorder.
• Experiencing orthopedic injury or disorders that restrict movement or cause painful physical activity.
• History of neurodegenerative or neuromuscular pathology.
• Advised by a healthcare professional to not participate in physical activity.