Casio Pro Trek on Twitter: "Now available for both Android and iOS users- Download the @viewranger GPS app on #ProTrek WSD-F30. #wearabletech #apps #smartwatch https://t.co/eJSqN9NNAk https://t.co/QkVW2s69ml" / Twitter
Casio Pro Trek WSD-F30 review: Tracking all your adventures