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Amazon.com: Replacement Ear Pads for JBL Synchros S400 BT Bluetooth Wireless and Synchros S300i Headset Cushion (1 Pair) : Electronics
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JBL Synchros S300 Premium On-Ear Headphones for Android with built-in remote/Microphone - Black/Blue - Newegg.com
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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
TOM's TECH Computer & Accessories - JBL Synchros S300i - Black/Blue Premium On-Ear PureBass Headphones Stereo Headset with Detachable Apple iOS 3-Button Mic/Remote Cord Specs Speaker Type: Dynamic Driver Driver Size: 40
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