Used about 10x before getting different headphones. Includes charging case, 2 headphones, charging cable, and additional ear tips. - Totally wireless high-performance earphones - Up to 9 hours of listening time (more than 24 hours with charging case) - Adjustable, secure-fit earhooks for lightweight comfort and stability - Reinforced design for sweat & water resistance during tough workouts - Volume & track controls on each earbud, voice capability, and Auto Play/Pause - Powerful, balanced sound with dynamic range and noise isolation - Earbuds connect independently via Class 1 Bluetooth® for extended range and fewer dropouts - With Fast Fuel, a 5-minute charge gives 1.5 hours of playback when battery is low