Enjoy wireless freedom, superior stereo sound, comfortable skip-free listening, and hands-free calls for up to 5 hours on a single charge! Perfect for weekend warriors and serious athletes, the Flex 2 provides the immersive HD sound you need to break through your physical limits! Whether you’re casually walking or sprinting to the finish, these lightweight earphones will stay in place thanks to the unique neckband and sweat-proof ear gels. Take your workout intensity to new levels with the Flex 2. Special Features:• High-Definition Stereo Sound • Hands-free Music Calls • Secure & Comfortable Fit • Sweat-Proof Hydrophobic Coating • Superior Battery Life • Removable Neckband • Tangle-free Flat Cable • Available in Bold Colors • Limited One Year Warranty Specifications:• 10mm Neodymium Drivers • Bluetooth Version: 4.2 • Frequency: 2.4-2.48GHz • Play Time: Up to 5 Hrs* • Standby Time: Up to 150 Hrs • Bluetooth Range: Up to 33ft/10m • Charging Time: 2 Hours • Charging Port: Micro USB Package Contents:• Flex 2 Earphones • S/M/L Ear Gels • Micro USB Charging Cable • User Manual 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