The Psyc Esprit sports earphones offer best comfort, style and high quality audio for your active lifestyle.With the onboard AptX and Bluetooth 4.1 technology, these earphones offer CD-like quality wireless audio. They also provide passive noise cancellation with rich bass audio and high fidelity sound quality..The flexible rubber ear piece offers the best fit and comfort, with the earphones coming with interchangeable small, medium and large eartips.And you can enjoy hands-free calls with the built-in microphone and easy-to-use controls, which also manage your music.iPhone, iPad and Android smartphone and tablet compatible, these earphones offer waterproof and sweat resistance up to the IPX4 standard.Specifications Bluetooth: 4.1AptX technology: YesSweat and water resistance: Up to IPX4 standard Operating distance: Up to 10 metres Standby time: 160 hours Charging time: 1.5 hours Operating time: Up to 10 hours (depending on use)What's included 1 x set of earphones 3 x ear tips (S, M, L)