![I bought JBL headphones and found out they have these holes on both sides. What are they for? They're empty and kinda deep, the headphones aren't wireless so I guess it's not I bought JBL headphones and found out they have these holes on both sides. What are they for? They're empty and kinda deep, the headphones aren't wireless so I guess it's not](https://preview.redd.it/zkm9dihmx0b51.jpg?auto=webp&s=5a648f35d0bca46bee5fc831ffed44638080c89c)
I bought JBL headphones and found out they have these holes on both sides. What are they for? They're empty and kinda deep, the headphones aren't wireless so I guess it's not
![Newest Hard for CASE for Jbl T750BTNC Wireless Headphones Box Carrying for CASE Box Portable Storage Cover for Jbl T75 - AliExpress Newest Hard for CASE for Jbl T750BTNC Wireless Headphones Box Carrying for CASE Box Portable Storage Cover for Jbl T75 - AliExpress](https://ae01.alicdn.com/kf/S39cd66f82a9f416f9be022b404e004a8n/Newest-Hard-for-CASE-for-Jbl-T750BTNC-Wireless-Headphones-Box-Carrying-for-CASE-Box-Portable-Storage.jpg)
Newest Hard for CASE for Jbl T750BTNC Wireless Headphones Box Carrying for CASE Box Portable Storage Cover for Jbl T75 - AliExpress
![Protective Case Pressure-resistant Sports Gaming Headphone Protective Pouch With Hand Strap For Jbl T510bt - Protective Sleeve - AliExpress Protective Case Pressure-resistant Sports Gaming Headphone Protective Pouch With Hand Strap For Jbl T510bt - Protective Sleeve - AliExpress](https://ae01.alicdn.com/kf/Hb4f71f9de7bf4925aafb1f23f04cbd95l/Protective-Case-Pressure-resistant-Sports-Gaming-Headphone-Protective-Pouch-with-Hand-Strap-for-JBL-T510BT.jpg)
Protective Case Pressure-resistant Sports Gaming Headphone Protective Pouch With Hand Strap For Jbl T510bt - Protective Sleeve - AliExpress
![Amazon.com: Geekria Shield Headphones Case Compatible with JBL Tune 520 BT, Tune 510BT, Tune 500BT, Tune 500, T460BT Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Blue) : Electronics Amazon.com: Geekria Shield Headphones Case Compatible with JBL Tune 520 BT, Tune 510BT, Tune 500BT, Tune 500, T460BT Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Blue) : Electronics](https://m.media-amazon.com/images/I/71sgZYS9ICL.jpg)
Amazon.com: Geekria Shield Headphones Case Compatible with JBL Tune 520 BT, Tune 510BT, Tune 500BT, Tune 500, T460BT Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Blue) : Electronics
![Protective Case Pressure-resistant Sports Gaming Headphone Protective Pouch With Hand Strap For Jbl T510bt - Protective Sleeve - AliExpress Protective Case Pressure-resistant Sports Gaming Headphone Protective Pouch With Hand Strap For Jbl T510bt - Protective Sleeve - AliExpress](https://ae01.alicdn.com/kf/H05ac6ac1bf8b4cb69060dd5d4d9ff153a/Protective-Case-Pressure-resistant-Sports-Gaming-Headphone-Protective-Pouch-with-Hand-Strap-for-JBL-T510BT.jpg)
Protective Case Pressure-resistant Sports Gaming Headphone Protective Pouch With Hand Strap For Jbl T510bt - Protective Sleeve - AliExpress
![Amazon.com: Geekria Shield Headphones Case Compatible with JBL Tune 520 BT, Tune 510BT, Tune 500BT, Tune 500, T460BT Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Blue) : Electronics Amazon.com: Geekria Shield Headphones Case Compatible with JBL Tune 520 BT, Tune 510BT, Tune 500BT, Tune 500, T460BT Case, Replacement Hard Shell Travel Carrying Bag with Cable Storage (Blue) : Electronics](https://m.media-amazon.com/images/I/71sgZYS9ICL._AC_UF1000,1000_QL80_.jpg)