TaoTronics&reg; TT-SL01 5M 5050 RGB 150 LED Strip Light Multi Color Waterproof With 4 Male Pin free Perfect workout headphones that are snug and secure so the headphones stay put while running, biking or at the gym. Earbuds that work with all smartphones, tablets and music players CVC noise cancellation technology reduces outside noises, enable clearer microphone sound Long battery life allows the headphones to play up to 5 hours of continuous music at a time or 179 hours of standby time Built-in magnets let you attach the two headphones together when not using, and wear like a necklace around your neck, a convenient way to carry around when you don't need them