Hi-Res Audio Wireless with JBL signature sound The JBL Live Flex 3's 12mm dynamic drivers are perfectly tuned to deliver deep bass, balanced mid-range, and refined high frequencies—all at any volume level. JBL Spatial Sound makes you feel like you're at a concert as the sound comes from virtually everywhere around you. This is JBL Signature Sound at its best. Convenient Smart Charging Case for app-free control You can customize every aspect of your JBL Live Flex 3 earbuds with the 1.45-inch touchscreen display on the Smart Charging Case. The display gives you full control of your sound on any devices - laptop, TV, smartphones, or tablets -, without needing to access the JBL App on your smartphone. True adaptive noise cancelling with custom control Tune out the outside world entirely or customize just how much ambient sound you decide to let in, with 4 noise-sensing mics that automatically adapt to your surroundings in real time. The audio compensation filter in the JBL Headphones App even allows you to customize and fine-tune the Adaptive Noise Cancelling level to your ear canal's unique shape.