Most list a digital time display and common time-related features such as alarm, backlit/illuminated display, date, 24-hour time format, battery-level indicator, and a built-in calculator.
These watches often include interactive features such as built-in cameras, alarms, backlit displays, date display, calculators, timers/stopwatch functions, and battery-level indicators.
Power options vary by model. Some projection watches use LR41 alkaline button batteries, while several smart-style interactive watches list a non-universal lithium‑ion battery (installed).
Suggested ages in the product details vary; examples listed include watches for children 3 years and up and others for 6 years and up.
Activity tracking is inconsistent across the selection: a few entries mention tracking a metric like calories burned, while others explicitly state they have no activity-tracking features.
