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Driver Type  

Driver Size

Frequency Response

Impedance

Max Input Power

Plug Type

Cable Length

Depth Rating

Warranty

Dynamic

9mm

20 – 20,000Hz

16 

Ω

5 mW

3.5mm gold plated

3.9ft 

IPX7 3ft. / 30min.

1 Year

FAQs

1. What happens if my Flex Sweatproof Waterproof Sport Headphones fall out of my ears 
    while in the water?

Flex Sweatproof Waterproof Sport Headphones are 100% waterproof and can be exposed 
or submerged in 3 feet of water for up to 30mins. If the headphones come out of your ears 
and fall into the water, simply shake or blow off any water that remains in the front of the 
headphone to ensure the best sound experience.

Product Specifications

Safety Information

Please read this manual carefully. If you have any questions please contact H2O Audio 
Customer Service prior to use.

Improper use of this system may cause the user to make mistakes or decisions that may lead 
to serious injury or death. Headphones should never be used for SCUBA diving.

Always make sure to have the audio player volume turned to zero and the headphones 
turned away from the ears when turning on the audio player. If the volume level is not 
zero when the audio player is turned on, it may cause ear injury due to a sudden burst of 
sound. The volume should be slowly increased with an audio track playing to set the 
speaker volume to comfortable output levels prior to positioning the headphones next to 
the ears. Hearing experts advise against continuously loud and extended play. If you 
experience ringing in your ears, reduce volume or discontinue use.

It can be potentially dangerous to use headphones while engaging in activities that require 
your full attention. You should exercise extreme caution or discontinue use in potentially 
hazardous situations. Do not use the headphones while driving, cycling, or operating any 
motorized vehicle. It may create a traffic hazard and is illegal in some areas. Those users 
that elect to utilize this system at, or near, the water’s surface, must maintain safety 
awareness of moving water crafts 

WARNING:

 Earplugs should always be used.

WARNING:

 Contains small parts which may be a choking hazard. Not suitable for children 

under 3 years old. 

WARNING:

 This product contains magnetic material.

1 Year Limited Warranty

H2O Audio’s 1 year limited warranty covers defects in materials and/or workmanship of all 
H2O Audio branded product 1 year from the date of original purchase. This warranty does 
not apply to any products which have been neglected, altered, abused, used for a purpose 
other than the one for which they were manufactured, repaired by customer or any party 
without H2O Audio’s written authorization, or used in any manner inconsistent with H2O 
Audio’s instructions. Please refer to the care and maintenance instructions for more details. 
Product Manuals are available for download on the H2O Audio website as well as packaged 
with the product.

Products must be purchased from an Authorized Dealer. This limited warranty is not valid 
for product purchased through an unauthorized source. For a directory of H2O Audio 
Authorized Dealers, please visit the store locator section on the company website. If you 
have questions as to whether or not a dealer is authorized, please contact Customer 
Support.

H2O Audio will, at its sole discretion and without charging the customer, repair or replace 
any product components that fail in normal use during the limited warranty period.  The 
customer will be responsible for the cost of shipping the product to H2O Audio. H2O Audio 
will pay the cost of returning the repaired or replacement product to the customer.  IN NO 
EVENT WILL H2O AUDIO’S LIABILITY TO CUSTOMER EXCEED THE PURCHASE PRICE OF THE 
SPECIFIC PRODUCT SUBJECT TO THE WARRANTY CLAIM.

The warranty is valid only for the original owner who purchases the product from an 
Authorized Dealer. Transfers are not qualified for warranty protection.

H2O Audio reserves the right to replace any out-of-stock, discontinued, or limited edition 
product with a comparable product. Discontinued products may not be available for 
warranty replacement.

TO THE EXTENT PERMITTED BY LAW, THIS WARRANTY IS THE SOLE AND EXCLUSIVE 
REMEDY AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, 
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
A PARTICULAR PURPOSE.  IN NO EVENT SHALL H2O AUDIO BE LIABLE FOR ANY INDIRECT, 
PUNITIVE, INCIDENTAL OR CONSEQUENTIAL DAMAGES, PERSONAL PROPERTY CLAIMS 
REGARDING THIRD PARTY PRODUCTS, OR SPECIAL DAMAGES, REGARDLESS OF WHETHER A 
CLAIM FOR SUCH DAMAGES IS BASED ON WARRANTY, CONTRACT, NEGLIGENCE OR 
OTHERWISE. SOME STATES DO NOT ALLOW A LIMITATION ON THE DURATION OF IMPLIED 
WARRANTIES OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL 
DAMAGES, SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.

Return Authorization

Prior to any return, a Return Authorization (RA) number must be obtained. To receive an 
RA number, go online to www.h2oaudio.com/ra and follow the instructions on how to 
return a product. Proof of purchase from an Authorized Dealer will be required.

 

Copyright Notice:

 This owner’s manual is copyrighted, all rights reserved. It may not, 

in whole or in part, be copied, photocopied, reproduced, translated, or formed into any 
electronic format without prior consent in writing. H2O Audio is a registered trademark 
of H2O Audio, Inc. H2O Audio products are protected by US Patents 6396769, 6614722, 
6954405, 7263032, 7535799, 7755975 and Others Pending. 

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