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 110BT Bluetooth Wireless On-Ear Headphones (GRAY) - BRAND NEW | eBay
How to pair JBL T110 BT pure bass in-ear headphones with a smartphone - YouTube