Details JBL Tune 520BT Wireless Over-Ear Headphones are high-quality headphones that look sleek and stylish. Crafted with lightweight materials and soft ear cushions with a padded headband these headphones are so comfortable to wear. With a much sleeker construction boasting smooth surfaces and elegant curves the headphones sit comfortably on the ears. The unique foldable design makes it portable so that you can take it anywhere. Featuring optimized acoustic engineering, the headphones come with 33mm drivers that offer crisp highs and deep bass for a pleasant experience altogether. This headphone features Multi-point connections which allow you to switch two devices while with the button on the ear-cup, you can manage your music and hands-free calls. Moreover, Tune 520BT provides up to 57 hours of battery life, 5-minute fast charge for 3 Hours of Play. Other specs are Bluetooth version 5.3, Driver sensitivity of 102dB, Dynamic frequency response range 20 Hz-20 kHz, Impedance 30 ohms, Remote control on ear cups, Voice Assistant integration, Built-in Microphone and Siri/ Google Now support.