Product Information It Makes Sense Meet Sense 2 the smartwatch designed to help you stress less, sleep better & live healthier. Get help identifying stress, and the tools to better manage it. Learn more about your sleep and how to improve your rest with detailed night-time tracking and a unique Sleep Profile. Track key heart-health indicators so you can make more informed wellness decisions. Compatible with Android and iOS, Sense 2 is packed with advanced activity tracking and smartwatch features including built-in GPS, and comes with six months of Fitbit Premium Membership.Do more and charge less with 6+ day battery life. Compatible with most popular phones and tablets running on the latest versions of Android and iOS.Recognize stressful events and manage them in the moment with our new continuous EDA sensor.See your real-time pace & distance using built-in GPS during outdoor activity. Track more exercises than ever and see all your stats in real time and track steps and distance, plus water-resistant to 50 metres - so you can wear it in the pool and beyond.Get notifications for calls, texts, calendar events and apps like Gmail and WhatsApp—plus send quick replies and voice replies right from your wrist. Available when phone is nearby*. Key Features Water resistant. Swimproof. Scratch resistant. Compatible with apps from the FitbitOS. Answer calls. Read texts and reply to texts. Read emails. Receive social network notifications. Displays weather. Heart rate monitor. Pedometer. Distance. Accelerometer. GPS. Calories. Sleep. Specification 4GB memory. Fitbit OS operating system. Bluetooth 5 connection. NFC connection. Wi-Fi. AMOLED screen. Touchscreen. 320 x 320 screen resolution. 260mAh battery capacity. Typical usage time of up to 6 days. Low usage time of up to 6 days. 1.5 hour charge. Size: one size. Watch size H40.5, W40.5, D2mm. Strap size L119, W149, T46mm. Strap can be removed and replaced. Weight 38g. What's in the Box 1x Fitbit Sense 2 - Shadow Grey Accessories included: Standard and large strap, charging cable, including charger.