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Feature

USB To 2.5mm Male Jack/Plug Connect your devices to USB port
This Cable only works for JBL Synchros S300 S300a S300I S400BT S500 S700 J56BT E30 E40 E40BT E50BT S400BT headphones.
COMPATIBILITY: *IMPORTANT* Please only purchase this item if it is the same type of charger that came with your product originally.
What You Get: 2 Pack USB to 2.5mm Male AUX Audio Jack Charging Cable.
Color: black, Length: 3ft / 1Meter( approx)