Amazon.com: JBL Tune 510BT: Wireless On-Ear Headphones with Purebass Sound - Black : Electronics
JBL Tune 510BT | Wireless on-ear headphones
Jbl tune 150 bt | Casas Bahia
JBL Tune 510BT | Wireless on-ear headphones
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