Compatible with Cellular or WiFi Data, GPS, BT and Heart Rate Monitor 41mm,  (Charcoal)
PERSONALIZED AND CUSTOMIZABLE - Effortlessly customize your watch, mix and match the band style, color and watch head with any digital watch face for the ultimate personal watch combo! Swapping out the band is quick and easy, so you can rock your favorite watch band for any occasion.
UNIQUE WATCH FACES TO STYLE IT YOUR WAY - Customize your watch (head) and band with colors and layouts that match your style. Easily switch between digital, analog, and modern, graphic looks.
SAFE FROM SCRATCHES AND SPLASHES - With 5 ATM (50 meters) water resistance and scratch-resistant Corning Gorilla Glass, you can ride down the boardwalk or jump in the ocean.