The Callard Company | Promotional Products & Apparel | Westerville, OH: JBL Tune 510BT Wireless On-Ear Headphones
![Jbl Tune 500 (wired)] I recently noticed these little port like thingies on my headphones. Does anyone know what they might be?🤔 : r/JBL Jbl Tune 500 (wired)] I recently noticed these little port like thingies on my headphones. Does anyone know what they might be?🤔 : r/JBL](https://preview.redd.it/t80t8to7brd91.jpg?width=640&crop=smart&auto=webp&s=ad2d7cb6330f67444cdeaa5d4058207958ee45a7)
Jbl Tune 500 (wired)] I recently noticed these little port like thingies on my headphones. Does anyone know what they might be?🤔 : r/JBL
![JBL Tune 500 BT Wireless Headphones Supraaurales Bluetooth White Color Pink|Phone Earphones & Headphones| - AliExpress JBL Tune 500 BT Wireless Headphones Supraaurales Bluetooth White Color Pink|Phone Earphones & Headphones| - AliExpress](https://ae01.alicdn.com/kf/Uc213c0482105413688ff680f1ec51139a/JBL-Tune-500-BT-Wireless-Headphones-Supraaurales-Bluetooth-White-Color-Pink.jpg_Q90.jpg_.webp)