USB Power 5.5X2.1mm Boost Line DC 5V to DC 9V Step UP Module USB Converter

100% brand new and high quality Compatible with FLAMMA FS-Series & FC-Series Pedals and more. Tip center negative sleeve positive. Barrel Connector: 5.5mm x 2.1mm Can not fit Tip center positive sleeve negative devices use. The adaptor can power most instrument pedals and other 9-volt electronic devices. Plug & Play it is really handy when travelling or outdoors just power it with a 5V 2A-4A power bank or USB adapter and you can start running your 9V Guitar Effects Pedals. DC 5.5x2.1mm.Output: 9.0V; Max Current: 800mAh; USB Input: 5V 2A-4A Connector Size: Tip center negative(-) sleeve (+)design DC Jack 5.5 x 2.1mm Specifications： Material:Plastic Type:Right Angle Straight Right Angle Length:Approx.130cm/51.18in Straight Length:Approx.133cm/52.36in Package Includes： 1x USB Voltage Step Up Converter Cable