It's not just happy post-exam-crazed teenagers who use up all their energy on the first day of a music festival and spend the rest of the weekend a burnt-out husk.
Smartphones also run out of juice all too quickly, and when you're standing in a field at the Isle of Wight Festival watching singer Ed Sheeran, opportunities to recharge are few and far between -- and it's probably raining, to boot. Fortunately, the Vodafone Booster Brolly has all your problems covered.
Except for the bit about Ed Sheeran. No one can help you with that.
Designed in partnership with University College London, the Booster Brolly is a prototype parasol to keep your phone charged and your hair dry no matter what the British summertime can throw at at you.
Read more of "" at Crave UK.