Safety: Our Products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) This Adapter is a Brand New, High Quality Never USED (non-OEM) Compatibility: 18V AC DC Adapter for Brookstone Big Blue Media Tower AIO All in One Music TV Sound System Power Supply Cord Note:please make sure the model of your device before buying Accessory USA AC DC Adapter For Brookstone Big Blue Media Tower AIO All In One Music TV Sound System Power Supply Cord