There is no shortage of music-playing, battery charging iPhone docks on the market, but Sense+ may be one of the only that can actually save lives. The dock has built-in smoke and carbon monoxide detectors that will trigger an alarm on your phone if it senses a fire or deadly gas. If you don’t respond to the alarm in a designated amount of time, the dock will use an app to begin calling numbers on your phone, and ask them to contact emergency services. The Sense+ us currently only available to backers who pledge at least $80 to its Indiegogo campaign. Considering that there is a ginormous, 700-pound iPhone boombox costs $30,000 and will not save your life, that sounds like a decent deal …