Amazon.com: iTouch Sport 4 Smartwatch - Fitness Tracker 。The iTouch Sport 4 Smart Watch boasts a host of impressive functionalities that cater to your active lifestyle. Track your fitness progress with its integrated fitness tracker, including a precise pedometer and distance tracker. Monitor your daily activity levels, set fitness goals, and keep yourself motivated as you embark on your journey towards a healthier, more active life FEATURES Touchscreen Sleep tracking Text, incoming call & social media notifications Rechargeable battery life: 168 hours Outside temperature display Workout mode Multi-sports mode Calorie tracker Motion gesture Hydration, elevated heart rate & sedentary reminders Camera & music remote DISPLAY Face cover material: glass Illumination: LED backlight CASE Material: alloy Screw-down caseback Diameter: 1.28 in BAND Band type: silicone strap Clasp: buckle Circumference: 154 mm - 220 mm Width: 20 mm DETAILS Power: rechargable battery Water resistant up to 1 meter PRODUCT SPECIFICATIONS Connectivity: Bluetooth Compatibility: iOS, Android