Wireless Bluetooth Stereo in-ear earphones. Sweat-proof design for active lifestyles. Premium sound in a lightweight design. Voice prompt makes controlling your earphones easy. Built-in mic and remote for easy hands-free calling and music playback control. Compatible with iOS/Android devices. Functionality may vary by device. Bluetooth streams music up to 30 feet. Tangle-free, ultra-flexible cable. Playback time: up to 5 hours. Standby time: up to 150 hours. 3 fun color options - Black, Neon green, Neon pink.