True Adaptive Noise Cancelling limits distractions as you immerse yourself in accurate surround sound. Or, if you need to jump back into the real world, JBL Dual Source lets you switch from game audio to incoming calls quickly and easily, while Ambient Aware keeps you alert to your surroundings. Compatible with all Bluetooth sources, transitioning between devices is seamless wherever your adventures lead. Easily Fast Pair with Bluetooth smartphones and establish low latency 2.4-gigahertz connections to compatible devices with the included USB-C dongle. Plus, the charging case gets you an additional 16 hours of power after the 8 hours your earbuds already get.