Designed to deliver the best possible sound from your Nu Technology Dolphin waterproof mp3 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 earplugs

Technical specs:

• Frequency Response: 20Hz to 20KHz

• Sensitivity: 87dB+3dB

• Impedance: 32

• Jack: 3.5mm (fits only Dolphin music players)