Wireless remote control designed for OD-11. With ortho remote you adjust the volume, skip track and pause your music from any room, at up to 20 meters distance. Has a magnetic back so you can stick it to any magnetic metal surface like a fridge. The non-slip bottom makes it rest steady on any surface. Experience real 1-click music. Uses bluetooth 4 low energy to communicate with OD-11, this in combination with 2 X AAA batteries makes it last over two years without the need to change batteries. Works with iOS and android. Dimensions: 68 X 22 mm. Weight: 104 g.