Fitbit Versa 2 – Black CarbonBlack classic bandCarbon aluminium case24/7 heart rate trackingSwimproof* and 4+ day battery life*15+ exercise modes & connected GPSSleep tracking and sleep scoreSmartphone notifications & appsAmazon Alexa built in*Always-on display mode**Store & play 300+ songsMake secure purchases with Fitbit pay***water resistant to 50M**battery life varies based on use and other factors; always on mode requires more frequent charging*Amazon Alexa not available in all countries**Payment availability at fitbit.com/fitbit-pay/banksIncludes small and large sizes