Product Review: JBL Synchros E40BT Bluetooth Headphones - GeekMom
USB to 2.5mm Male Charging Cable for JBL Synchros S400BT J56BT E40BT E50BT S700 Harman Kardon Harkar BT Harkar-BT Headphones
Replacement Ear Pad Cushions Earmuff Pillow For Sony Ps4 Playstation Platinum Wireless Playstation 4 Cechya-0090 Headphones - Protective Sleeve - AliExpress
Amazon.com: 6 FT USB to 3.5mm Audio Jack Adapter,USB 2.0 to 3.5mm AUX Stereo Audio Cord,Compatibility with Laptop, Speaker, Support Windows,Not Applicable to Charging and MP3, Truck, TV USB Ports (6FT, Grey) :
User manual JBL E50BT (English - 22 pages)
JBL Synchros E50BT Bluetoothe Headphone Review – Who Needs Wires? – The Gamer With Kids
Amazon.com: NEW NEOMUSICIA Replacement Cable Compatible with JBL Synchros S300 S300I S700 S500 S400BT J56BT E40BT E30 E40 S400BT E50BT Headphone, Remote Volume Mic Compatible with iPhone only : Electronics
Replacement Ear Pad Cushions Earmuff Pillow For Sony Ps4 Playstation Platinum Wireless Playstation 4 Cechya-0090 Headphones - Protective Sleeve - AliExpress