You can now relax and control your OD-11 speaker or OB-4 radio remotely with the teenage engineering Ortho Remote for OD-11 and OB-4 in red. This puck-shaped minimalistic wireless remote control pairs with your OD-11 or OB-4 via Bluetooth 4 low-energy technology. Once paired, you can click it once to immediately start playing music, double-click to skip a track, tap to pause, or turn it to adjust the volume. It's made to set up and pair quickly without requiring additional software or drivers.