Product detailsPut on a set of JBL TUNE 520BT headphones to improve your day. In your world, music is necessary. By tapping the ear cup, you may chat to your preferred Voice Assistant and experience the strength of JBL Signature Sound, which is delivered by 40mm drivers, as well as the ease of? Noise Cancelling and Smart Ambient technologies, which let you concentrate on what important to you. Jam out for 57 hours straight!.Pure Bass. Zero Cables.The JBL Tune 520BT headphones stream powerful JBL Pure Bass sound thanks to the latest 5.3 BT technology. Easy to use, these headphones provide up to 57 hours of pure pleasure and an extra 3 hours of battery with just 5 minutes of charge. Download the free JBL Headphones App and customize your sound through the EQ, while Voice Prompts guide you through the headphones features. Manage calls, sound and volume from the earcup, thanks to the convenient button control. If a call comes in while you are watching a video on another device, the JBL Tune 520BT seamlessly switches to your mobile device, so you never miss a call. Lightweight and comfortable even after hours of listening, the JBL Tune 520BT headphones fold flat in your backpack to follow you everywhere.Signature Sound by JBLThese wireless headphones include 40mm drivers and a sound profile that is similar to that of the most renowned venues on earth.Adjustable Noise CancellationThese Bluetooth headphones’ Noise Cancelling will help you block out background noise so you can concentrate on the music.Technology that makes use of ambient awarenessfor Hands-Free Stereo Calling, a microphoneUse the controls on the earcup to manage calls and stay connected to the outside world. Perfect stereo calls are possible because to the mic technology.57-hour maximum battery lifeUp to 57 hours of rocking? After that, pause for a fast 10-minute charge to gain an additional four hours of pleasure.headband made of comfortable cotton and a carrying pouchThe TUNE520BT are incredibly comfortable since they are molded to your head with a snug fabric headband and plush ear cushions. When you’re traveling, the soft pouch functions as storage and protection.Both autoplay and pauseWhen you take off your headphones, your music automatically stops and resumes when you put them back on.