JBL Tune 520BT - Wireless On-Ear Bluetooth Headphones - NEW/OPENED PACKAGE (OPENED TO TAKE PHOTOS ONLY) - Up to 57H Battery Life and Speed Charge, Lightweight, Comfortable and Foldable Design, Hands-Free Calls with Voice Aware - Color Black - JBL Pure Bass sound, the same technolgy that powers the most famous venues all around the world. - Wireless Bluetooth 5.3 technology: Wirelessly stream high-quality sound from your smartphone. - Customize your listening experience: Download the free JBL Headphones App to tailor the sound to your taste with the EQ. - Up to 57H battery life and speed charge and recharge the battery in as little as 2 hours with the convenient Type-C USB cable. A quick 5-minute recharge gives you 3 additional hours of music. - Hands-free calls with Voice Aware: Easily control your sound and manage your calls from your headphones with the convenient buttons on the ear-cup. Hear your voice while talking, with the help of Voice Aware.