The JBL Tune 520BT wireless on ear headphones deliver JBL's renowned Pure Bass sound using advanced Bluetooth 5.3 technology. They offer up to 57 hours of continuous playback and can gain an additional 3 hours with just a 5 minute charge. Users can personalize their audio experience through the free JBL Headphones App which provides EQ customization and voice prompts. The headphones support hands free calls with Voice Aware allowing users to hear their own voice during conversations. Multi point connectivity enables seamless switching between devices such as moving from a video on a tablet to a call on a smartphone. Designed for comfort they are lightweight feature soft ear cushions with a padded headband and have a foldable design for easy portability. Additionally they are compatible with voice assistants like Siri and Google Assistant activated via the multi function button.