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 three hours of battery with just five minutes of charge. Download the free JBL Headphones App and customize your sound through the EQ while Voice Prompts guide you through the headphone's 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 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. Product Features: JBL Pure Bass Sound: The JBL Tune 520BT features the renowned JBL Pure Bass sound, the same that powers the most famous venues all around the world Wireless Bluetooth 5.3 technology: Wirelessly stream high-quality sound from your smartphone without messy cords with the help of the latest Bluetooth technology Up to 57H battery life and speed charge (5mins = 3H): For long-lasting fun, listen wirelessly for up to 57 hours and recharge the battery in as little as two hours with the convenient Type-C USB cable. A quick 5-minute recharge gives you three 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 Multi-point connections: Allows you to effortlessly to switch from one Bluetooth device to another. You can simply switch from a video on your tablet to a call on your mobile phone so that you’ll never miss a call. Lightweight, comfortable, and foldable design: The lightweight materials and soft ear cushions with a padded headband make the headphones comfortable to wear for extended periods. The foldable design makes it convenient for you to carry your headphones anywhere and anytime you want music Ask Siri or Hey Google: Siri or Hey Google is just a button away: activate the voice assistant of your device by pushing the multi-function button Customize your listening experience: Download the free JBL Headphones App to tailor the sound to your taste with the EQ. Voice prompts in your language guide you through the Tune 520BT features Includes one JBL Tune 520BT headphones, one USB-C charging cable, one warranty/warning, and one quick start guide Specifications: Model Number: JBLT520BTBLKAM upc: 050036394925 Product Type: Headphones Headphone Style: On-Ear Headphones Color: Black Condition: New Wi-Fi-Enabled: No Bluetooth-Enabled: Yes Noise-Canceling: No Sounds-Isolating: No Waterproof: No Wireless: Yes Built-In Microphone: Yes Rechargeable: Yes App Control: Yes Voice Control: Yes Case Included: No Sweat-Resistant: Yes Foldable Design: Yes Mute Controls: No Volume Controls: Yes Playback Controls: No Item Dimensions: Adjustable Item Weight: 0.79 lb.