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 sound, punching out bass that’s both deep and powerful. Up to 8-hour battery life with speed charge Micro USB charging built-in battery provides up to 8 hours of playing time, with recharge in just 2 hours or 15 minutes for one-hour (max) top-up. Magnetic cable management Ensures that the headphones remain comfortably secure and tangle-free around your neck when not in use. Multi-Point Connection Allows you to effortlessly switch from one Bluetooth device to another. You can simply switch from a video on your tablet to a call on your mobile phone, so that you’ll never miss a call. 3-button remote with microphone Enjoy wireless calls and manage your music hands free.