Wireless on-ear audio headphones JBL Tune 520BT, JBL Pure Bass Sound, Bluetooth 5.3, Multi-point connection, Voice assistant, Violet Sound JBL Pure BassJBL Tune 520BT has the famous JBL Pure Bass sound, the same one that powers the most famous locations around the world world. Bluetooth 5.3 wireless technology Wirelessly transmit high-quality sound from your smartphone without messy cables using the latest Bluetooth technology. Personalize your listening experience Download the free JBL Headphone app to tailor the sound to your taste with EQ. Voice instructions in your language guide you through the functions of the Tune 520BT. Hands-Free Calls Easily control your sound and manage your calls from the headphones using the convenient buttons on the headphones. Hear your voice while you speak with Voice Aware. Light, comfortable and foldable The light materials and soft ear cushions with padded band make the headphones comfortable and good to wear for long periods. The foldable design allows you to carry the headphones anywhere. Compatible with Siri and Hey GoogleSiri or Hey Google is just a button away: activate your device's voice assistant by pressing the multifunctional button. Multi-point connection allows you to effortlessly switch from one Bluetooth® device to another. You can easily switch from a video on your tablet to a call on your mobile phone, so you never miss a phone call.