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Amazon.com: USB to 2.5MM Jack Cord Replacement USB Charging Power Supply Cable Compatible with JBL Synchros S300 S300I S300a S500 S700 S400BT J56BT E40BT E30 E40 E50BT S400BT Headphones (Black/60cm) : Electronics
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Replacement Audio Headset Cable Extension Cord for JBL Synchros S300 S300I S300a S500 S700 S400BT J56BT E40BT E30 E40 E50BT S400BT Headphones - Walmart.com
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JBL Synchros E-Series Lifestyle Headphones Match Cool Design with Impressive PureBass Sound | HARMAN
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