![JBL LIVE 400BT Wireless On-Ear Headphones with Alexa built-in, Google Assistant and Bluetooth – Up to 24 hours of music – Ambient Aware and TalkThru Technology – Black: Amazon.co.uk: Electronics & Photo JBL LIVE 400BT Wireless On-Ear Headphones with Alexa built-in, Google Assistant and Bluetooth – Up to 24 hours of music – Ambient Aware and TalkThru Technology – Black: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/81XmtXvZI5L._AC_SY450_.jpg)
JBL LIVE 400BT Wireless On-Ear Headphones with Alexa built-in, Google Assistant and Bluetooth – Up to 24 hours of music – Ambient Aware and TalkThru Technology – Black: Amazon.co.uk: Electronics & Photo
![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 LIVE 500BT Wireless Over-Ear Headphones with Alexa built-in, Google Assistant and Bluetooth – Up to 30 hours of music – Ambient Aware and TalkThru Technology – Black: Amazon.co.uk: Electronics & Photo JBL LIVE 500BT Wireless Over-Ear Headphones with Alexa built-in, Google Assistant and Bluetooth – Up to 30 hours of music – Ambient Aware and TalkThru Technology – Black: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/81eLiL6SApL._AC_SY450_.jpg)
JBL LIVE 500BT Wireless Over-Ear Headphones with Alexa built-in, Google Assistant and Bluetooth – Up to 30 hours of music – Ambient Aware and TalkThru Technology – Black: Amazon.co.uk: Electronics & Photo
![JBL Tune510BT - Wireless on-ear headphones featuring Bluetooth 5.0, up to 40 hours battery life and speed charge, in black: Amazon.co.uk: Electronics & Photo JBL Tune510BT - Wireless on-ear headphones featuring Bluetooth 5.0, up to 40 hours battery life and speed charge, in black: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/71+u7587bjL._AC_SL1500_.jpg)