![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
![Renewed) JBL Tune 125TWS True Wireless in-Ear Headphones with 32 Hours Playtime, Dual Connect, Fast Pairing & Bluetooth 5.0 (Black) | Dealsmagnet.com Renewed) JBL Tune 125TWS True Wireless in-Ear Headphones with 32 Hours Playtime, Dual Connect, Fast Pairing & Bluetooth 5.0 (Black) | Dealsmagnet.com](https://www.dealsmagnet.com/images/renewed-jbl-tune-125tws-true-wireless-in-ear-headp-o-16OUy76H.jpg)
Renewed) JBL Tune 125TWS True Wireless in-Ear Headphones with 32 Hours Playtime, Dual Connect, Fast Pairing & Bluetooth 5.0 (Black) | Dealsmagnet.com
![JBL Tune 230NC TWS In-Ear Headphones - True Wireless Bluetooth headphones in charging case with Active Noise Cancelling and up to 40 hours battery life, in black | Reverb Sweden JBL Tune 230NC TWS In-Ear Headphones - True Wireless Bluetooth headphones in charging case with Active Noise Cancelling and up to 40 hours battery life, in black | Reverb Sweden](https://rvb-img.reverb.com/image/upload/s--XRAyqVO7--/f_auto,t_large/v1700071414/cqdfosubgjnscklstey4.jpg)