Light weight and small square screen, multifunctional sports watch 1. 1.69 - inch high-definitionarge screen 2. 7 days long battery life 3. The 2.5D curved surface 4.Well-designed super large display, high touch, wide view ingangle, scratch-proof andexplosion-proof 5. IP67 Waterproof 6. Functions: Fitness Mood Tracker, Call Reminder, Alarm Clock, GMT Two Places, Calendar, Passometer, Sleep Tracker, Message Reminder, Push Message, Chronograph, World Time, Countdown, 24 hour instruction