From the Manufacturers Site
JBL Pure Bass sound
For over 70 years, JBL has engineered the precise, impressive sound found in big venues around the world. These headphones reproduce that same JBL DNA, punching out bass that’s both deep and powerful.
Up to 6-hour battery life
Enjoy your music and take calls for up to 6 hours. Get a full recharge in 2 hours.
Easily control your sound and manage calls from your headphones with the convenient three-button remote with microphone.