美國 Polk Audio

UltraFit 3000

運動型入耳式耳機 | 線控連咪

• Ultra-high performance digital sound, focused details, full fidelity and deep bass
• Convenient 3-button in-line controls & microphone, for on-the-fly audio and phone control without breaking your concentration
• SecureFit support keeps your headphones comfortably in place even during the roughest workout
• Ultra-flexible tangle-free planar audio cable eliminates cable tangle. Two easily-switchable custom lengths included, including a 14-inch length specifically for iPod nano, iPod Shuffle and other MP3 sleeve and collar connections
• StrainGuard Kevlar core technology and computer-designed transitional connections eliminate cable failure. Moisture shield technology deflects and resists moisture, for peak performance through the most strenuous activity