Pwr UL Listed Rapid 2.1A for Ultimate-Ears-Boom-2 Charger-AC-Adapter UE-Mini-Boom MegaBoom-ROLL-2 WonderBoom-Blast-MegaBlast Wireless Portable Speaker Compatible Power Supply Extra Long 6.5 Ft Cord FEATURES / POWER SPECS : Only Pwr+ Chargers Have Extra Long 6.5 Ft Power Cords / Smart Power: 5V 2.1A 5W 9W 10W Powerfast Quick Rapid Fast Charger / Steel-Reinforced Micro-USB Tip for Extended Usability / Made in Taiwan / Original Official OEM Genuine USB Charger and Power Adapter Replacement by PWR+ COMPATIBILITY: Ultimate Ears BOOM, BOOM 2 S-00151 /// Ultimate Ears MegaBoom /// Ultimate Ears MINI BOOM /// Ultimate Ears ROLL, ROLL 2 /// Ultimate Ears Wonderboom /// Ultimate Ears BLAST /// Ultimate Ears MEGABLAST Portable Speaker SAFETY / UL LISTED: Tested, Approved and Certified by UL. UL number is unique. UL testing is authorized by OSHA - US Federal Agency WARRANTY: 30 Days Refund - 24 Months Exchange. PWR+ is WA, USA based company. We are friendly Customer Support Experts