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X-1 Interval 4G Waterproof Headphone System for iPod Shuffle (4th Generation)


This product is no longer available, but don't go just yet.


  • Case clips onto the back of your swim goggles, and is submersible to 12 ft.
  • Case includes integrated bass amplified Surge 2G headphones; earbuds are ergonomically shaped to sit flush in the ear
  • Watertight earplugs provide warm sound and dynamic bass powered by Surge 8mm drivers
  • Short headphone wires keep headphones away from your arms while swimming
  • Easy-to-use push buttons align with iPod buttons for easy control of playback and volume
  • Includes 5 sets of elastomer earplugs (XS - XL) for a perfect fit


View all X-1 Headphones

REI membership


Best Use Watersports
Headphone type Earbud
Volume control Yes
Waterproof Yes
Cord length (in.) 8 inches
Weight 1.4 ounces

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