OMNIHIL AC/DC Power Adapter Compatible with SiriusXM SD2 SXSD2 Portable Speaker Dock Wall Charger High Quality AC Power Cord All products are tested to exceed/meet standard specification OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) FREE RETURN SHIPPING / 5 YEAR FREE REPLACEMENT WARRANTY