T-Power Ac Dc Adapter Charger Compatible with Brookstone Big Blue Party Indoor-Outdoor Bluetooth Wireless Speaker Replacement Switching Power Supply Cord T-Power ac adapters are made with the highest quality materials tested by manufacturer to match and /or exceed specifications of OEM products . // Input Voltage Range: AC 100V - 240V, Compatible with : Brookstone Big Blue Party Indoor-Outdoor Bluetooth Wireless Speaker BIGBLUEPRTYV1.5 / mp-849504 Big Blue Studio Wireless Bluetooth Speaker / BROOKSTONE DESIGN USA P/N: KSAS0451800200HU Switching Power Supply Big Blue Party X Indoor-Outdoor Bluetooth Speaker