Stainless Steel Band, One-touch 3-fold Clasp • 100-meter water resistance • Mobile link (Wireless linking using Bluetooth®) • App connectivity feature: Auto time adjustment, Easy watch setting, Approximately 300 world time cities, Stopwatch data transfer, Time & place, Phone finder • World time • Stopwatch • Countdown timer • Alarm/hourly time signal: 5 daily alarms, Hourly time signal • Light: Double LED light, LED light for the face, LED backlight for the digital display, White • Full auto-calendar (to year 2099) • Mute feature: Button operation tone on/off • 12/24-hour format, Hand shift feature, Regular timekeeping: Analog: 2 hands (Hour, minute (hand moves every 20 seconds)) 1 dial (countdown alert) Digital: Hour, minute, second, pm, date, day • Airplane mode, Schedule beeper on/off