Designed to deliver the best possible sound from your Nu Technology Dolphin waterproof music player, these ergonomic earphones come with four sizes of anti-bacterial Silicone earplugs for a custom fit that sounds great and won’t leak.

• Ergonomic & anti-scratch design
• Fits comfortably in your ears
• Soft silicon earplug prevents water from entering
• Stays securely in place during athletic activities
• Anti-bacterial earpieces
• Includes: 3 sets of long earplugs & 1 set of short earplugs

Technical specs:
• Frequency Response: 20Hz to 20KHz
• Sensitivity: 87dB+3dB
• Impedance: 32
• Jack: 2.2mm (fits only Dolphin music players)