With its advanced calling feature the Reflex Active Series 37 smartwatch is perfect for those who lead a busy lifestyle. The hands-free call feature allows you to make and receive calls directly from your watch, anytime, anywhere. Searching for your phone in a bag or pocket is now a thing of the past! It comes with a range of features that make it the perfect watch for all daily activities, including great wellness features such as sleep analysis, hydration reminders, blood oxygen tracking and breathing exercises. The Series 37 is your perfect training partner, with built in heart rate monitor and music control. You can track your fitness progression through the Reflex Active App. Set your goals and smash them! With the ability to change dials and have your own photos as a background, you can customise your watch and make it your own. This watch features a comfortable elasticated webbing strap. all packed in a stylish Reflex Active presentation gift box. Each watch includes an instruction manual, USB charger (sealed rechargeable battery) and 2-year manufacturer guarantee. Download the free Reflex Active App now to explore in more detail. IOS 12.0+ and Android 9.0+ Compatible. Features - Make and Receive Calls - Message Notifications - Step Counter - Cycle Tracking - Camera Control - GPS Connection - Sleep Tracking - Calorie Tracking - Watch Locator - Weather Updates - Multi Activity Tracking - Hydration Alerts - Music Control - Heart Rate Monitor - Breathing Exercises - Sedentary Reminders - Personalised photo dials Case Size: 37mm Case Thickness: 11mm Screen Size: 1.83" Point Touch Strap: Minimum and Maximum inner circumference (wrist size) of 140-210mm. Strap width: 22mm Bluetooth 5.2 RAM 256 KB / ROM 128 MB Charge Time: 3 hours Standby Time: 10 days Water Resistance: IP68