Case for Jabra Revo, JBL S400BT, JBL E45BT, JBL E55BT, Marshall Major II Bluetooth On-Ear, Marshall Monitor Bluetooth Wireless Over-Ear, Marshall MID Bluetooth, Beats Studio, Skullcandy Crusher - Walmart.com
JBL Synchros S400BT Review - YouTube
2.5mm Audio Cable Mic for JBL S400BT J56BT E40BT E30 E40 E50BT S400BT Headphones | eBay
JBL Synchros S400BT Review | SoundVisionReview
Ivinxy Head Band Headphone Headband For JBL Synchros S400BT S400 BT Ear Pads Headphone Earpads Replacement Earmuff Cushion Cover|Earphone Accessories| - AliExpress
2.5mm Audio Cable Mic for JBL S400BT J56BT E40BT E30 E40 E50BT S400BT Headphones | eBay
JBL Synchros S400BT Wireless On-Ear Bluetooth Stereo S400BTBLK