Case Compatible with Sony WH-CH520N WH-CH720N, and JBL 510BT 520 BT 720BT 770 NC 760 NC 670 NC Wireless Noise Cancelling Headphones, Portable Travel Headphone Storage Cover Bag (Black). Dual Zip Design: This headphone case is designed with a dual zip closure, with a nearly 360 degree zip that opens and closes easily for the ultimate experience.
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