Compatible with Altec Lansing IMW999 IMW999STL IMW889 IMW889L IMW889-BLKC ROCKBOX XL Wireless Bluetooth Speaker MID 2390819 2390520 JT012-1802500 AC/DC Adapter, Input: 100-240V, 50/60Hz; USA, CA, MX plug 6 feet (2 meters) long cable Built-in smart IC chip, Over voltage protection, Over current protection, Over-Heat protection Come with 1 pcs power supply with 4 pcs different connector tips