JBL Tune Flex True Wireless Bluetooth Headphones, Active Noise Cancelling, IPX4, JBL Sound Fit, Black Get your music on from day one with the JBL Tune Flex. These true wireless headphones give you up to 32 hours of exceptional JBL Pure Bass sound, while the ergonomic and waterproof design provides all-day comfort, in any weather. A simple touch lets you manage and enjoy perfect calls anywhere, without ambient noise. And with Active Noise Cancelling and Smart Ambient technology, you choose whether you want to escape the world or interact with your surroundings. The open design with light stick ensures all-day comfort and awareness of natural sound. Best of all, the JBL headphone app lets you customize your entire listening experience. Stay connected to your world, your way. JBL Pure Bass Sound Intelligently designed 12mm drivers enhanced by the stick form factor deliver JBL Pure Bass sound so you can feel every pulsating beat. Active Noise Cancellation with Smart Ambient Hear more of what you want, less of what you don't. Active Noise Cancelling technology with 2 microphones allows you to minimize audio distractions. With Ambient Aware, you can always connect to your surroundings so you feel more confident when you're out in the world, while TalkThru lets you pause for a quick conversation without having to take your headphones off. 4 microphones for perfect calls Enjoy hassle-free calls in stereo. Tune Flex is equipped with 4 microphones so you'll always be heard with perfect clarity. Don't hesitate to take or redial a call. And with VoiceAware, you can choose how much of your own voice you hear by controlling the amount of microphone input directed back into your headphones. Up to 32 hours of battery life Never miss a beat with 32 (8+24) hours of battery life, or 6 hours, plus 18 hours with noise cancellation on. Need a boost? Quick charge for just 10 minutes to get 2 hours of listening. Water and sweat resistant Don't let bad weather put you off. With IPX4 water and sweat resistance, there's no workout or rain that Tune Flex can't handle. All-day fit and comfort Never be without your music. The open stick design ensures pressure-free comfort and natural sound awareness. Additional 3-dimensional sealing tips, along with the app’s ear sealing mode, allow you to create a sound seal from the environment without compromising the lightweight and elegant design of these headphones. JBL Headphones App The JBL Headphones app lets you enjoy music your way. Customize your listening experience and touch control gestures, find your headphones, control ambient noise, and Smart Audio and Video modes. Download the app for free and discover how much more you can do.