Satechi has released the BT Media Remote. It’s available for US$39.99 at and 

The wireless Bluetooth HID remote allows users to control any iOS Bluetooth Device while connected to a TV, dock station or car stereo. It features multimedia control, which allows users to control the playback of any music or video on the iPhone or iPad. 

The Satechi BT Media Remote has a remote camera shutter button so users can take photos without leaving themselves out of the camera. Also, the “Home” button on the remote can be used to activate Siri even while the device is connected to another device.