Meet Fitbit Sense - the advanced Smartwatch that helps you tune in to your body and guides you toward better health. Screen your heart for Afib right from your wrist, detect and manage stress, better understand your sleep quality and even keep an eye on patterns in your skin temperature. Plus, Sense unlocks a 6-month free trial of personalised guidance and advanced insights for new Fitbit Premium users. EDA detection & stress management. Heart rhythm assessment with ECG app* *. On wrist skin temperature notifications and high & low heart rate notifications. Connectivity 2GB memory. Other operating system. Bluetooth 4 connection. NFC connection. USB 5 connection. Wi-Fi. Display information 40.13mm AMOLED screen. Touchscreen. Battery Typical usage time of up to 6 days. Low usage time of up to 6 days. 2 hour charge. Physical specification Size: one size. Watch size H40.48, W40.48, D12.35mm. Strap size L135.2, W23.5, T4.1mm. Strap can be removed and replaced. Weight 28.5g. Features Water resistant. Swimproof. Dust resistant. Scratch resistant. Make calls. Answer calls. Read texts and reply to texts. Read emails. Receive social network notifications. View calendar. Displays weather. Music player. Heart rate monitor. Distance. Accelerometer. GPS. Calories. Sleep. Accessories included: Small & large bands, charge cable, including charger. Manufacturer's 2 year guarantee. EAN: 811138036980.