T-Power Compatible with Big Blue Studio Wireless Bluetooth Speaker,BROOKSTONE DESIGN USA KSAS0451800200HU Indoor-Outdoor Brookstone Big Blue Party Car Ac Dc adapter T-Power (TM) Made with the highest quality Output: 19V Power laptop and charge battery from 12V DC outlets (car / air / boat) LED indicator shows charging situation. / charges your devices from any standard cigarette lighter in any vehicle. CE/FCC/RoHS certified 1-year limited warranty. Compatible Model: Big Blue Studio Wireless Bluetooth Speaker / BROOKSTONE DESIGN USA KSAS0451800200HU Indoor-Outdoor Brookstone Big Blue Party