Neckband Sport Headphones Athletes worldwide have praised these headphones for their comfort, sound, and style. The neckband style high performance is back by popular demand with better fit, bigger sound and sweat-resistant ear pads. Features: Innovation for Athletes. A 1.2m long cable that is ideal for outdoor use. The ideal cable length to give you the freedom to put your audio device where you want. 30mm speaker driver delivers big sound performance. Compact for wearing comfort yet big enough to deliver crisp, powerful sound, the 30 mm speaker driver is a perfect size for non distorted listening enjoyment. Copper cladded aluminium wire improves sound quality. By using top quality copper cladded aluminium wire (CCAW) in the headphone driver's voice coil, the sound quality is considerably improved. Lightweight design improves comfort for prolonged use. The durable, lightweight quality materials enhance comfort for extended wearing. Lithium, silver and alkaline technology for small devices. Neodymium magnet enhances bass performance and sensitivity . Neodynium is the best material for producing a strong magnetic field for greater sensitivity in a voice coil, better bass response and higher overall sound quality. For use in active sports.