Optimal cable length of 3 ft. Designed to fit nicely in your speaker's case. This UE boom charger cable cord is designed for best connectivity and durability. This replacement USB power cable cord is compatible with all UE Megaboom, Megaboom 2, Boom, Boom2, Miniboom, Mobile Boombox , Roll, W18, X100, X300 Wireless Speaker Package includes: One (1) USB cord. NOTE: Power adapter not included ienza is a registered trademark. Use of the ienza trademark without the prior written consent of ienza, LLC. may constitute trademark infringement and unfair competition in violation of federal and state laws. ienza products are developed as cost-effective alternatives to OEM parts. They are not necessarily endorsed by the OEMs.