Wireless Sony Connect App 50 Hour Battery Life Black Experience long-lasting battery life, personalized listening, and easy connectivity with these sleek and comfortable wireless headphones. Immerse yourself in music like never before with the Sony WH 520 wireless headphones in black. Thanks to the Digital Sound Enhancement Engine (DSEE), you can experience a truly authentic performance as it restores the lost harmonics and liveliness during music compression. With the Sony Headphones Connect app, you can also personalize your listening experience by tailoring the EQ settings to your taste. Worried about running out of battery life? Fear not, as these headphones offer up to 50 hours of playback time and a quick 3-minute charge can give you an additional 1.5 hours of listening time. Plus, with the ability to pair with two Bluetooth devices at once, you can effortlessly switch between your phone and laptop without any interruption. Designed with both style and comfort in mind, the lightweight build and swivel earcups of these headphones make them easy to wear for long periods. The adjustable headband, cushion, and soft ear pads ensure maximum comfort, so you can wear them all day long without any discomfort. Upgrade your music experience with the Sony WH 520 wireless headphones, and hear the difference for yourself.