UpBright New AC/DC Adapter for Jawbone Big Jambox Bluetooth Speaker Power Supply Cord Battery Charger Mains PSU World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection). Tested Units. In Great Working Condition. UpBright 30 days money back guarantee. 1 full year service warranty. UpBright New AC / DC Adapter for Jawbone Big Jambox Bluetooth Speaker Power Supply Cord Battery Charger Mains PSU