The Fitbit Versa 4 is a touchscreen smartwatch that can connect to an Android or iOS smartphone. It features NFC for contactless payments (where supported) or device pairing. It can be used for swimming in a pool, and among its standout features are GPS, step and distance tracking, and a built-in heart rate monitor. Technical Specifications Color: BlackRelease Year: 2022Display Resolution: 336 × 336 pixelsDisplay Type: AMOLEDCompatible Operating Systems: Android, iOSTouchscreen: YesConnectivity: Bluetooth, NFCStrap Material: SiliconeCase Material: Aluminium Capabilities & FunctionsFeatures: Vibration, Speaker, MicrophoneFunctions: SMS, Call Identification, App NotificationsUsage: Various Sports / Gym, Swimming, Hiking, Cycling, RunningSmart Assistant: Alexa Special FeaturesSensors: GPS, Pedometer, Calorie Counter, Thermometer, Heart Rate Sensor, Pulse Oximeter (SpO₂), Sleep TrackingProtection: Resistant to Liquid SplashesWater Resistance Rating: 5 ATMWaterproof Use: Swimming in PoolMIL-STD-810: No DimensionsSize: 41 mm
