Winged ear tips are secure but ultra-comfortable & designed to stay locked in while running JBL® Charged Sound for bold sound tuned for sport, with rich bass to crush your workout Easy-to-connect Bluetooth technology delivers wireless, zero-distraction performance Up to 5 hours of battery life with a rugged aluminum 20-hour charging case Bionic Hearing, a unique JBL sound & mic technology, allows athletes to still hear surroundings with Talk-Thru & Ambient Aware Talk-Thru technology drops music down & turns on speech-optimised, noise-cancelling mics so you can easily talk between sets without removing your headphones Ambient Aware technology allows you to continue to listen to your music during your workout, but still be aware of your surroundings UA Stormproof waterproof technology with an IPX7 rating for ultimate water & sweat protection during your toughest workouts Control functions for music, calls & more are engaged by pressing the centre buttons on the right & left ear buds Bluetooth® wireless Includes: 3 sizes of ear tips, 3 winged ear tip enhancers, charging case with Micro-USB port & charging cable NOTE: This product can only be returned if found to be defective