KEEN are the Bluetooth earphones with soft-touch finish, ideal for making phone calls and listening to music in any situation. Featuring impressive energy efficiency, Keen earphones are designed to go everywhere with you, offering six hours of playback and the ability to be recharged up to four times, for a total of 30 hours of freedom so you can be independent the whole day long. With the touch controls located directly on the earphones you can manage calls, volume and music quickly and easily, without the need to take your phone out of your pocket. The earphones come ready to use with all your devices: put them on and they connect instantaneously, enveloping you in powerful, crystal-clear sound, while the Double Master function allows you to use a single earphone at a time, saving battery life.The pads provided in various sizes ensure isolation from noise and the highest sound quality, wherever you are.