Our best wireless workout headphones come with Advanced Sound 2. 0 Technology and aptX high-performance neodymium-backed 40mm speakers. They’re super-comfortable, made of high-end, ultra-soft materials that mold to the natural shape of your ear for a custom fit. Our unique T-Quiet active noise-canceling technology blocks out the irritating external sounds so that you can focus. With an incredible 35 HOURS of playtime, from PlayXTend battery, you’ll keep hearing your favorite music, workout after work-out. Ultra Premium Materials | Super Soft Ear Pads. Hyper-HD aptX Sound Quality. Active Noise-Cancelling. Keeps Going For a Long 35 Hours. Our best wireless workout headphones come with Advanced Sound 2. 0 Technology and aptX high-performance neodymium-backed 40mm speakers. Our best wireless workout headphones come with Advanced Sound 2. 0 Technology and aptX high-performance neodymium-backed 40mm speakers. They’re super-comfortable, made of high-end, ultra-soft materials that mold to the natural shape of your ear for a custom fit. Our unique T-Quiet active noise-canceling technology blocks out the irritating external sounds so that you can focus. With an incredible 35 HOURS of playtime, from PlayXTend battery, you’ll keep hearing your favorite music, workout after work-out.