Bluetooth 4.1 + aptX: More energy efficiency and less delay, plus pure CD-like quality sound that's on par with wired headphones
Sweatproof and Weatherproof: Made to withstand the intense heat and sweat of exercise, and even jogging in light rain
Wireless, Cable-free Audio: Enjoy up to 8 hours of continuous audio with balanced bass and natural treble
Perfect for Sports and Exercise: Light, comfortable, and firm ear hooks design for reduced vibration/movement
Flexible Ear Hooks: Conforms to the shapes of your ears for the most comfortable fit - also includes 3 Pairs of Closed Ear-Tips & 2 Pairs of Semi-Closed Ear-Tips.
Regular price $100. Reduced to $25. With Prime membership, this would be F/S.
Don't know when the sale would expire.