Positive Grid Spark Control Official Spark App Exclusive Bluetooth Wireless Footswitch for Guitar

---------------------------------------------------------------------- [Precautions for Use of Electrical Appliances] 】 When using electrical appliances, please note that the voltage is different from that of Japan, which can cause malfunction. The plug type is Japanese type (A or B type), so please check the voltage and use a transformer. The transformer is different from the conversion adapter. A transformer is not required for USB power supply. ---------------------------------------------------------------------- Compatible with 9V power supply Connect to Spark app via Bluetooth to control amplifier Assign and change any preset with the switch. Assign and turn on/off any effect. Play/stop/pause songs/backing tracks. Integration with Spark App for iOS and Android *App must be used to connect Sprak Control and Spark amplifier [Go beyond Spark with wireless control] Spark Control is equipped with innovative features that go beyond traditional foot controllers. No complicated settings required. No cables required.