• KW21 Ultra 2 Smartwatch with FereFit app compatibility. • Functions include dial phone, push notifications, call records, encoder, music, calculator, exercise tracking, camera control, location information, games, female health functions, device search, body temperature, blood pressure, blood oxygen measurement, stopwatch, time/date setting, and language switching. • Includes Airpods and 7 watch straps. • Can make calls, receive notifications, and track fitness activities. • Features health monitoring capabilities like body temperature, blood pressure, and blood oxygen. • Includes basic smartwatch functions like calculator, stopwatch, and games.