Project your iPhone screen on the wall or ceiling. There's nothing to carry around because this slips on your phone like a case. As an extra bonus this acts as a rechargeable battery so you can be out and about longer. Project your photos, games, YouTube videos, or anything you want.
Belkin Sport-fit Plus Armband for iPhone 5 5s SE Blacktop Overcast 2e Very Good
Cyclists bundle: Waterproof Lifeproof case for iPhone PLUS bike and bar mount PLUS portable power pack to recharge anywhere. http://www.poweredlife.com.au/special-offers/bundles/cyclist-s-bundle-tough-case-and-bike-bar-mount-and-power-pack.html