Chelsea Online

The Monster iSport Intensity sport headphones are a sweat-proof, in-ear option that use Pure Monster Sound® to ensure you get thumping bass, unadulterated clarity and a wide dynamic range to help you feel motivated to tackle your every session. The headphones are designed to work with goggles, glasses and helmets so you can use them for a great number of sports and activities, indoor or outdoor, and the cord is tangle-free which cuts out any hassle. You can control your music and phone calls hands-free thanks to the ControlTalk feature and the ear tips are antimicrobial and washable for top levels of hygiene.