These Altius wireless headphones look pretty good value at £25.99, just the job for use outside during the summer, they will be in Aldi from Thursday 08/08/13.

Product Information :-
863MHz transmission frequency
Automatic on/off
Operating distance: 70 metres (open area)
AC/DC adaptor socket
On/off button receiver
Up to 8 hours operation with one battery charge
Auto-scan button on receiver
Receiver operated with 2 x AAA batteries (batteries included)