Jbl TUNE 520/760/510 Wireless Bluetooth Headphones, Pure Bass, 27 Hours of Playtime

The new model also supports a quick charge function that enables 3 hours of continuous use from a 5-minute charge, so you can use it even in unexpected situations, such as when you forget to recharge the battery in time.
This model also supports a volume limiter function that can be set via the app to prevent the volume from exceeding 85dB, allowing users to adjust the volume so as not to strain their hearing even after long periods of use.
Customize to your liking with the new “JBL Headphones” application

The “JBL Headphones” application, a JBL proprietary application, is newly compatible with this model. The app offers a variety of settings and controls, including an equalizer, “Voice Aware” adjustment that lets you listen to your own voice through the headphones by adjusting the volume of your voice and your surroundings, “Smart Audio Mode” that lets you choose the settings that match your content and preferences, and “Auto Power Off” that lets you turn the headphones on and off automatically. Various settings and operations are available, such as “Smart Audio Mode,” which allows you to select settings according to content and preference.