Also confirmed to play the event at London's Hyde Park on July 5 are Dan le Sac vs Scroobius Pip and The Whip.
Other acts including Underworld and Bootsy Collins were confirmed last month. Tickets are on sale now.
O2 Wireless Festival takes place on July 3-6. Counting Crows have been announced as the headliners on Sunday, July 6.
No acts playing on the Thursday or Friday have been revealed yet.