![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?width=640&crop=smart&auto=webp&s=c6fb2c50840cbdf3e8d2c804c1cbd886c38fe677)
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
![JBL Tune 710BT by Harman, 50 Hours Playtime with Quick Charging Wireless Over Ear Headphones with Mic, Dual Pairing, AUX & Voice Assistant Support for Mobile Phones (Blue) : Amazon.in: Electronics JBL Tune 710BT by Harman, 50 Hours Playtime with Quick Charging Wireless Over Ear Headphones with Mic, Dual Pairing, AUX & Voice Assistant Support for Mobile Phones (Blue) : Amazon.in: Electronics](https://m.media-amazon.com/images/I/61ayVOFL20L._AC_UF1000,1000_QL80_.jpg)
JBL Tune 710BT by Harman, 50 Hours Playtime with Quick Charging Wireless Over Ear Headphones with Mic, Dual Pairing, AUX & Voice Assistant Support for Mobile Phones (Blue) : Amazon.in: Electronics
![JBL LIVE 460NC - Headphones with mic - on-ear - Bluetooth - wireless, wired - active noise canceling - 3.5 mm jack - black | Dell USA JBL LIVE 460NC - Headphones with mic - on-ear - Bluetooth - wireless, wired - active noise canceling - 3.5 mm jack - black | Dell USA](https://snpi.dell.com/snp/images/products/large/en-us~AB593291/AB593291.jpg)