This product has been tested to ensure compatibility with the following JBL Xtreme Portable Wireless Speaker:
JBL Xtreme: JBLXTREMEBLKUS; JBLXTREMEBLUUS; JBLXTREMEREDUS
JBL Xtreme 2: JBLXTREME2BLKAM; JBLXTREME2BLUAM; JBLXTREME2GRNAM
JBL Xtreme 2 Special Edition
JBL by HARMAN: NSA60ED-190300; KCC-REM-JQH-NSA60ED-190300; NSA60ED190300