![JBL Tune 500 Powerful Bass On Ear Headphone with Mic One button Control Pure Bass Sound Foldable Headset PU leather Ear Cushion|Headphone/Headset| - AliExpress JBL Tune 500 Powerful Bass On Ear Headphone with Mic One button Control Pure Bass Sound Foldable Headset PU leather Ear Cushion|Headphone/Headset| - AliExpress](https://ae01.alicdn.com/kf/HTB1zMOiX9SD3KVjSZFKq6z10VXa4/JBL-Tune-500-Powerful-Bass-On-Ear-Headphone-with-Mic-One-button-Control-Pure-Bass-Sound.jpg)
JBL Tune 500 Powerful Bass On Ear Headphone with Mic One button Control Pure Bass Sound Foldable Headset PU leather Ear Cushion|Headphone/Headset| - AliExpress
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)