AKG K830BT and K840KL wireless headphones hedge bets with Bluetooth and Kleer

Audio specialists AKG has revealed its latest duo of headphones, the Bluetooth-toting AKG K830BT and the Kleer-enabled AKG K840KL. Each offering a different flavor of wireless, the two sets of on-ear cans use the company's 3D-Axis2 folding headband design.