Up to 10 hours of talk time means you have plenty of connectivity hours to last you your whole trip on one battery Keeps its charge for up to 15 years SpareOne can hold its charge, if unused, for up to 15 years Extreme weather operating range (-22F to 140F) is far greater than that of a smartphone One-touch, large emergency services button is ideal for daily emergency and medical situations, no SIM required Easily pre-program 9 important numbers and document on menu sticker provided