waterproof headphonesA2 can do ip6 waterproof, running or other physical exercise sweat will not cause harm, but can not be invaded into the water | touch functionWater or grease on the surface of the headset touch control area may cause the headset touch control to malfunction, try to wipe the surface of the headset and the surface of your fingers clean, and then try again. | best bluetooth earbudThe best headphones Individual headphones weigh only 0.14oz, giving 0 weight on the ears |