Part details – Rixos Mobile Phones, an ISO 9001 certified wholesaler operating since 1995, supplies the JBL T520BTBLK Tune 520 Wireless On-Ear Headphone - Black – original JBL part number JBL T520BTBLK. Every unit passes our quality control before it ships from Dubai.JBL part for JBL T520BTBLK Tune 520 Wireless On-ear Headphone, ISO 9001 checked.BrandJBLPart NumberJBL T520BTBLKPart TypeSpare PartCompatibilityPlease match the manufacturer number with your original part. Our team can confirm comp..