The JBL Tune 520BT has an adjustable headband and only weighs 160 grams .Their ear pads are very soft and cushioned, keeping them from causing any ear pain or discomfort. The JBL Tune 520BT has a pretty slim, low profile, meaning they won’t draw much attention to themselves, and the feeling of having them on your hands.
Battery.
The JBL Tune 520BT offers more play time than the more affordable JBL Tune 510BT and JBL Live 400BT. They have up to 40 hours of battery life with a 2 hour charge time, and can also gain 2 hours of listening time with a 5 minute quick charge.
Microphone Quality and Controls.
These contain a built-in microphone along with controls on the ear-cups to control sound, calls, and voice assistant.
Specifications
Key Features
WIRELESS BLUETOOTH & MULTI-POINT CONNECTIONS: Wirelessly stream high-quality sound from your smartphone without messy cords. Allows you to effortlessly switch from one Bluetooth device to another.
JBL PURE BASS SOUND: Wireless headphone features the renowned JBL Pure Bass sound, which can be found in the most famous venues all around the world.
HANDS FREE CALLS: Easily control your sound and manage your calls from your bluetooth headphones with the convenient 1-button remote with microphone.
UP TO 16 HOUR BATTERY LIFE WITH SPEED CHARGE: For long-lasting fun, listen wirelessly for up to 16 hours and recharge the battery in as little as 2 hours. A quick 5-minute recharge gives you an additional hour of music.
COMFORT FIT DESIGN: The lightweight materials and soft ear cushions with a padded headband make the bluetooth 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.
-WIRELESS BLUETOOTH & MULTI-POINT CONNECTIONSJBL PURE BASS SOUNDHANDS FREE CALLSUP TO 16 HOUR BATTERY LIFE WITH SPEED CHARGECOMFORT FIT DESIGN