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Open Run

Marsoni M251S
Sale price$129.95
Pay 4 payments of $32.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Open RunOur top selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick charge feature, and a new name. OpenRun is our lightest headphones to date and are engineered with outstanding sound, a long lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout.
Easy Shipping

Quick Dispatch:

Your Open Run orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your Open Run ships.

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1018 reviews
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Product Reviews
M
Verified Purchase
MAP
Lowell, US
★★★★★ 5
Great Children's Book
Format: Board book
My grandson loves this book. He enjoys pushing the animal song buttons. Jungle animals are his favorite,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 26, 2025
J
Verified Purchase
Joan Pierone
Carnegie, US
★★★★★ 5
Easy to play with
Format: Board book
Adorable baby book
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2025
A
Verified Purchase
Amazon Customer
Belleville, US
★★★★★ 5
Talking Book
Format: Board book
Our Grandson loves his book!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2023
M
Verified Purchase
Mely
Phoenix, US
★★★★★ 3
Low volume
Format: Board book
Sounds can barely be heard.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
S
Verified Purchase
Sally
San Leandro, US
★★★★★ 4
One year old loved the animal sounds
Format: Board book
It only took a few moments for our grandchild to figure out this book. He had a big grin on his face listening to the realistic sounds.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 30, 2025

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