JBL Headphone tune 520 BT

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.