JBL Tune 530 Bluetooth HeadsetJBL Tune 530 Bluetooth Headset JBL Pure Bass Sound. Customize your sound with the JBL Headphones App. 2 beam forming mics for perfect calls. Up to 76 hours of battery life. With up to 76 hours of battery life, your JBL Tune 530BT headphones will outlast your longest playlist. A 5 minute speed charge gives you another 5 hours of playtime. And when it's time for a full recharge, you'll be back to 100% in about two hours.