Don't have cell coverage or battery dies on your smartphone when you are out hiking, backpacking, or hunting? The Bushnell BackTrack Mini GPS will help you get back to your basecamp or trailhead. The Bushnell Backtrack Mini uses GPS technology to capture your trip or waypoint so you can guide back to your starting position. Battery lasts up to 35 hours. Rugged and waterproof to handle anything you put the Bushnell BackTrack Mini GPS through Want to store or share your trip or waypoints? The Bushnell BackTrack Mini GPS has Bluetooth to view and sync trips and waypoints to the Bushnell Connect app on your smartphone The easy to read display and large glove-friendly buttons make the BackTrack Mini a must-have for hitting the trail. BackTrack Mini gives you elevation gain and decline as well as barometric pressure. It also gives you the day's sunrise and sunset as well as moonrise and moonset No expensive batteries required with the BackTrack Mini. Simply charge it with any Micro USB and you're ready to go.