This is a 18V fixed-voltage MyVolts-branded power supply adaptor designed to meet exactly the power specification of your Marley Bag of Riddim 2 Bluetooth speaker.Specifications:- Output voltage is 18V- Max. output amperage is correct for your device- Output tip is the right size and specification - we&39;ve tested it thoroughly- 3 pin plug for use with UK and Ireland wall sockets- Input voltage is AC100-240V, 50/60HzIn addition, this myVolts-branded replacement power supply for Marley Bag of Riddim 2 Bluetooth speaker is:- Compliant with all safety standards, and features overvoltage, overcurrent and short-circuit protection to protect your device from damage- RoHS and CE-certified- Energy Star level 6 approved, guaranteeing more efficient delivery of power to your devices, at less cost to you- Covered by a 2 years&39; warranty: if the power supply fails within 2 years from the date of purchase, we&39;ll replace it, no worries"