Whether you’re casually walking or sprinting to the finish line, the Flex Xtreme delivers the immersive HD sound you need to shatter your physical limits. It features a built-in microphone, intuitive onboard controls, magnetic earbuds, and a lightweight Memory Flex neckband that molds to your body and holds its shape for a comfortable, customized fit. Take your workout intensity to new levels with the Flex Xtreme. Special Features:• High-Definition Stereo Sound • Hands-free Music Calls • Memory Flex Neckband • Magnetic Earbud Storage • Secure & Comfortable Fit • Sweat-Proof Hydrophobic Coating • Noise Isolating Microphone • On-board Remote Controls • Superior Battery Life • Bold Color Options Specifications:• 10mm Neodymium Drivers • Bluetooth Version: 4.2 • Bluetooth Range: Up to 33ft/10m • Play Time: Up to 7 Hrs* • Charging Time: 3 Hours • Charging Port: Micro USB • Limited One Year Warranty Package Contents:• Flex Xtreme Earphones • S/M/L Ear Gels • Micro USB Charging Cable • User Manual * Actual play time may vary based on sound volume and audio content Compatibility: Apple iPhone 6s ,iPhone 6s Plus ,iPhone SE ,iPhone 7 ,iPhone 7 Plus ,iPhone 8 ,iPhone 8 Plus ,iPhone X ,iPhone XR ,iPhone XS ,iPhone XS Max ,iPhone SE (2020) ,iPhone SE (2020) , Samsung Galaxy S8 ,Galaxy S8 ,Galaxy Note8 ,Galaxy S9 ,Galaxy S9 ,Galaxy Note9 ,Galaxy S10e ,Galaxy S10 ,Galaxy Fold ,Galaxy Note10 , Galaxy Note10