Wireless Earbuds with High-Resolution Sound Custom speakers and tuning deliver vivid, high-resolution sound to enrich your listening experience while comfortable and stable in-ear tips (earbuds) block out noise. Manage music, calls and smartphone assistant with inline controls Protect against rain, humidity, and sweat with sweatproof nano-coating Keep music going with up to six and a half hours of non-stop listening with portable charging case & battery. iOS and Android compatible with companion App. Stable, Comfort-Fit Eartips Eartips are 3D-mapped for the human ear to create comfort-fit. E artips that stay put even when you don’t. XS, S, M, L eartips for the best fit Sweatproof A nano-coating by P2i protects the earbuds from light rain, humidity, and sweat. Convenient inline controls let you adjust volume, skips tracks, take a quick call, or ask your smartphone to play a favorite playlist. Long Lasting Battery Life Up to 6.5 hours of non-stop listening so you can put your favorite playlist on repeat.