Wireless On-Ear Headphones: The JBL Tune 520BT are wireless on-ear headphones featuring Bluetooth 5.3 connectivity and a built-in microphone for hands-free calls. Long Battery Life: With up to 57 hours of playtime and a quick charge feature, these headphones offer extended listening without frequent recharging. Customizable Sound: The JBL Headphones App allows users to personalize the audio experience with an equalizer and voice prompts in their preferred language. JBL Pure Bass Sound: Delivering the renowned JBL Pure Bass sound, these headphones aim to provide an immersive audio experience.