Sports Sweat-Proof Headphones-The professional in-ear headphones are made from a metal material, and the silicone earbuds provide long-lasting comfort and fit snugly into your ears. It won't fall even when you are doing intense workouts, such as running, fitness, travel, yoga, etc. Furthermore, the sweat-proof feature for increased durability to well protect the headphones, so you can use it without any pressure. HD Audio Quality - Passed through numerous strict audio tuning tests, it allows you to enjoy an indulgent audio experience in music or movies. The built-in premium lithium polymer battery provides 5 hours of music playtime and up to 240 hours of standby time. Clear Sound Quality during Phone Calls - In order to ensure the clear sound during phone calls, we have adopted the upgraded CVC 6.0 intelligent noise cancellation technology to effectively block out ambient noise, so that you can focus on what you are doing. Magnetic design - The professional magnetic design is worn on your neck like a piece of art, while the headphones weigh less that you nearly ignore their presence. Well, Compatibility - Well compatible with Bluetooth-enabled devices, including Android, IOS, and Windows operating systems.