myVolts Ripcord USB to 7.5V DC power cable is compatible with Oxx WR301 and lets you power the device from a USB port. Works with any USB port - laptop, phone charger, desktop PC, USB power bank! Package includes:myVolts Ripcord 5V USB to 7.5V DC power cableRequirements:Oxx WR301 Internet radioUSB portProduct Spec:Cable length: 1.5mPower input: 5V USB 1.0, 2.0, 3.0Voltage output: 7.5VPower output: 12W maxBarrel size: Tested with, fits and is compatible with the Oxx WR301 Internet radioOver-voltage protectionOver-current protectionOver-temperature protectionShort-circuit protectionCE certifiedRoHS certifiedFCC certifiedNeed any help, got any questions? Get in touch!If you're not sure what power adaptor you need, just ask us!myVolts has more than 10 years in the power game, and we pride ourselves on our great customer service, answering all questions within 24 hours.