1.Caller ID & SMS, Facebook and Twitter message alerting with multi-language display; 2. All-day Activity Tracking + Sleep Monitoring +Silent Alarms; 3. Touch-key and bigger screen, 0.88" OLED, natural interactive mode, easy and smooth operation; 4. Super standby time, adopting ultra-low-power consumption chip, up to 15 days; 5. APP enhancing: exercise, sleep, full track record, chart display, target encouraging, rank encouraging, athletic competition encouraging and score encouraging with fun and enjoyment; 6. Wireless syncing automatically to smartphones; 7. Support firmware OTA upgrading, easy error rep air and function expanding; 8. Support unique EE (Enterprise Edition) function.