Kygo E7/1000 earphones incorporate cutting-edge waterproof technology. They give 6 hours playing time and with the smart carrying case another 18 hours battery life in your pocket. Whatever you're doing whatever the weather enjoy listening to your favourite tunes all day long. Easy volume track and call controls through the multifunction buttons on both earbuds.For the perfect fit in all ears there are several accessories in different sizes including Comply foam tips engineered to be more comfortable than silicone and improve sound quality.Comply Foam tips are expected to last 2-3 months with regular use.