AK-BT1 is a Bluetooth adapter that enables wireless remote control for compatible TASCAM products. When used with the product control app on a smart phone or tablet, remote control and other available functionality is possible. Portacapture X8 And remote control app Portacapture Control. The Portacapture Control app enables remote control of Portacapture X 8 transport operation, gain adjustment, mixing, and various parameter settings Timecode sync with external devices (Future update).