The headphones adopt the conduccin area technologue to transmit the sound They are excellent for people who don't want anything to cover them or enter them in the ears They have an open ear design that provides an incredible experience of live surround sound They are compatible with any available Bluetooth device and ideal to exercise thanks to their IPX5AURICULARES IMPERMEABLES IPX5 waterproof technologue of the unalmable driving headphones can resist light rain and sweat which allows you to enjoy even on sports running bike or hiking