Note to buyers:

一、 Our company's motto is: do not do disposable business, only do long-term business. So you can contact us at any time if you encounter any problem you don't understand in your purchase, our company will provide you with the best quality pre-sale and after-sale protection team.

二、Our company has its own R & D center and R & D factory, the current team of more than three hundred stable members. Our R & D center focuses on product quality and performance, our company only do the best quality products on the market.

三、Our customer service 24 hours a day at any time are online, there is any do not know the problem can always consult the online customer service. We will not ignore any customer, each customer service will patiently solve all customer problems.

四、Our company has a strict shipping process, before shipment will go through the quality inspection department quality inspection through more than three times before shipment to customers, which is also a guarantee for customers.

五、If your order needs to be labeled, labeling and other shipping requirements, you can make a note in the order, the warehouse will be according to your note requirements for you to ship. If you forget to note in the order, you can contact online customer service, customer service will solve the problem for you, please do not worry.

六、We are sellers, also want to be a good friend of the customer, our pursuit is to reach a long-term cooperation with each customer.

About this item

• NOTE: If headset is too tight we suggest placing them over a ball or something of similar size/shape. Leave undisturbed for at least 24 hours. Repeat if necessary. Please also try length adjustments of either earpiece until both sides best fit you.
• JBL Pure Bass Sound: The Tune 520BT features the renowned 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 without messy cords with the help of the latest Bluetooth technology.
• Customize your listening experience: Download the free JBL Headphones to tailor the sound to your taste with the EQ. Voice prompts in your desired language guide you through the Tune 520BT features.
• Up to 57H battery life and speed charge: For long-lasting fun, listen wirelessly for up to 57 hours 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.

The Tune 520BT headphones stream powerful Pure Bass sound for up to 57 hours, thanks to the latest 5.3 BT technology. Quickly rechargeable, they sit comfortably on your head even after hours of listening pleasure. With a flat-folding design, the

Tune 520BT easily fits in your backpack to follow you everywhere.

Wireless Bluetooth 5.3 technology

Wirelessly stream high-quality sound from your smartphone without messy cords with the help of the latest Bluetooth technology.

Pure Bass Sound

The Tune 520BT features the renowned JBL Pure Bass sound, the same technology that powers the most famous venues all around the world.

Customize your listening experience

Download the free Headphones to tailor the sound to your taste with the EQ. Voice prompts in your desired language guide you through the Tune 520BT features.

Product Description

The Tune 520BT headphones stream powerful JBL Pure Bass sound for up to 57 hours, thanks to the latest 5.3 BT technology. Quickly rechargeable, they sit comfortably on your head even after hours of listening pleasure. With a flat-folding design, the Tune 520BT easily fits in your backpack to follow you everywhere.