So you would like to use your smartphone off-grid to stay connected with your group or loved ones? The Bivystick has you covered. It is a handy gadget that lets you send and receive text messages, track your path, and even send a SOS message in case of an emergency. It has a database of 45000 trails and routes to help you find your way.
The device can charge your phone up to 3 times thanks to its 5200mAh battery. With a Bivystick at your disposal, your friends and family members can track your location and status when you are away. Of course, you can simply send and receive text messages from anywhere in the world.[where to find it]