ATEX 4.1 Bluetooth Headphones &ndash; Smart Noise Cancellation & Built-In Microphone &ndash; Wireless In-Ear Earbuds for Sports & CrossFit &ndash; Sweat Proof, Non-Slip &ndash; iPhone and Samsung All Latest Models Compatible SUPERIOR WIRELESS EXPERIENCE  Boasting advanced 4.1 Bluetooth technology, establish a crystal clear connection with your smartphones, tablets, laptops and more with rich, high-fidelity sound and digital noise reduction. ACTIVE NOISE CANCELLATION  ATEX earphones offer a more immersive experience thanks to deeper bass, crisp treble and technology that actively reduces ambient sound like cars, clinking gym weights, talking or breathing. SWEAT PROOF COMFORT FIT  Designed with high-intensity athletes in mind, these wireless headphones feature a comfortable hook that contours to the ear to keep them in place while you are workout running jogging lifting cycling BUILT-IN MICROPHONE  With up to 4 full hours of talk and play time, you can stay mobile and completely hands-free thanks to a built-in microphone that lets you answer phone calls or change songs and sound volume on the fly. MULTIFUNCTION SUPPORT  Featuring a rapid recharge system, compatibility with up to two Android and iOS devices, tablets, laptops or PCs, and connectivity up to 30 feet away, the transition between work and home is flawless.