Iritating sound appears randomly by using my JBL TUNE 110BT while listening to music, sounds like a very short melody, can't find anything in the Setting to turn it off and don't
JBL Tune 110 | In-ear headphones
JBL Tune 110BT | Wireless in-ear headphones
JBL Tune 520BT Bluetooth Wireless On-Ear Headphones with Purebass Sound - Black | eBay