Part details – Data Technology FZCO, a Dubai based distributor established in 2018, offers the JBL T520BTBLK Tune 520 Wireless On-Ear Headphone - Black. This is a genuine JBL spare part, manufacturer number JBL T520BTBLK.JBL part for JBL T520BTBLK Tune 520 Wireless On-ear Headphone, checked before s..