This new Active Pro model is stylish, lightweight, and suitable for all ages.-*Measurement results of this product are for reference only not for any medical use. -Android supports systems above 5.0, iOS supports systems above 9.0 -Download App for Connectivity: Bluetooth connection to pair with App - Case size 39 x 37.5 x 10.7mm- 20mm Silicon Band - Pedometer- Step/Calories/Distance- Sleep Monitoring (24 hr auto tracking)- Heart Rate Sensor (24 hr auto tracking)- Accelerometer - Exercise Record -Step Tracker & Calories Burned - Games (2 games built-in for educational fun)- Watch Lock – Can set a password- Disturb Mode- Languages – 9 (English, German, French, Italian, Spanish, Japanese, Polish, Russian, Portuguese)- Alarm- Timer/Countdown- Remote Photography* - Message Notifications* - Multiple Dial Options - SOS* Pre-set emergency contacts - *When connected to mobile phone