No matter which model you buy, the best wireless headphones all have the same limitation: sooner or later they'll run out of charge, sending you scurrying for a power point or digging around in your backpack for a battery pack. But the new A6219 GO headphones from Philips have no such problem, because they're solar powered – and they'll recharge indoors as well as out.
The headphones feature a Powerfoyle solar cell, which it claims can provide up to 80 hours of playing time from a single charge. That's not quite unlimited battery, I know, but it's an exceptionally long period of time for a wireless pair of the best headphones. The cell can recharge via indoor light as well as out, so recharging it should be something that simply happens without you needing to think about it.
