Product Information. Versa 4. Get better results from your workout routine with all-new Versa 4. Track more exercises than ever right from your wrist with 40+ exercise modes including strength training, HIIT, running and kayaking. Plus, never miss a beat with calls, texts and notifications right on your wrist. With built-in GPS and a battery life of 6+ days, Versa 4 is also compatible with Android and iOS. All of this from a thin, lightweight fitness smartwatch that's designed for comfort during workouts, sleep and more.. 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.. See real-time pace & distance without your phone using built-in GPS during outdoor runs, rides, hikes and more.. Track more exercises than ever - from strength training and HIIT to running and stand-up paddleboarding - right from Versa 4 and see your stats on your wrist to track your efforts in real time.. Stay comfortable all day, during workouts, sleep and more with a thin, lightweight design that sits more naturally on the wrist.. Key Features. Water resistant.. Swimproof.. Dust resistant.. 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.. 28.38mm AMOLED screen.. Touchscreen.. 320 x 320 screen resolution.. 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 Versa 4 - Black. Accessories included: Standard and large strap, charging cable, including charger.