Powerful bass and
higher volume
OPENSWIM （Formerly Xtrainerz）
Waterproof Bone Conduction
MP3 Headphones
Designed for Swimming
OVERVIEW
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OPENSWIM (Formerly Xtrainerz)
Colour: Black Diamond
Where to Buy
Awards For OpenSwim（Formerly Xtrainerz）
2020 IF Design Award
2019 & 2020 CES Innovation Award
Waterproof Bone Conduction MP3 Headphones.
Open-Ear Listening
Our open-ear design powered by bone conduction technology ensures bud-free and comfortable listening all day, in or out of the water.
Bone Conduction Technology
Equipped with the patented PremiumPitch™ 2.0 bone conduction technology, OpenSwim（Formerly Xtrainerz）achieves 50% less sound leakage, and provides extraordinary underwater sound quality.
IP68 Waterproof
An IP68 waterproof design withstands total submersion in up to 2 metres of water. It’s fully waterproof and submersible so you can swim, run, cycle, or train harder than ever before.
8-Hour Battery Life
Designed to go the distance. Powerful battery enables a premium audio experience for up to 8 hours.
4GB of MP3 Storage
Built-in storage allows for a library of up to 1,200 songs, ready to play at the touch of a button, enough to store all the music you enjoy.
Versatile And Secure Fit
Compatible with swim caps, goggles and earplugs. OpenFitTM titanium design equipped with wraparound flexibility for reliable stability in any situation.
Built-In MP3 Headphones
*NOT BLUETOOTH COMPATIBLE
It supports MP3, WAV, WMA, AAC, and FLAC for device-free listening.
MP3
WAV
WMA
AAC
FLAC
What’s In The Box
OpenSwim（Formerly Xtrainerz） MP3 Headphones
Silicone Carry Case
USB Charging Cable
Swimming Earplugs
SPCS
PremiumPitch™ 2.0
Stereo Sound
Stereo Sound
Compatible
Supports MP3, WAV,
WMA, AAC, and FLAC
WMA, AAC, and FLAC
Lightweight
Weighing just over 1oz
for all-day comfort
for all-day comfort
Battery
Connectivity
Design
Sound
Microphone
Battery Life
8 hours
Charge Time
2 hours
Standby Time
Up to 10 Days
Charging Port
Pogo Pins
Battery Capacity
183 mAh
Maximum Charging Voltage
5.25 V
Bluetooth Versions
Internal Music Storage Only
4GB Of Memory
4GB Of Memory
Mutipoint Pairing
/
Wireless Range
/
Compatible Codecs
/
Compatible Profiles
MP3, WMA, FLAC, WAV, AAC
Sweat & Water Resistant
IP68 Waterproof
Weight
30g
Materials
Full Titanium
Moisture Detector
No
Command Controls
Mode button, Power button, Volume button
Frequency Response
20Hz~20KHz
Sensitivity
96 ± 3dB
EQ
2+
Microphone Type
/
Microphone Sensitivity
/
SHOW FULL SPECS >
Find The Right Headphone For You
OPENSWIM
OPENRUN
Color
Type
Swimming MP3
Next-Level
Weight
30g
26g
Bluetooth
No BluetoothⓇ
BluetoothⓇ 5.1
Battery Life
8 Hours
8 Hours
Water Resistance
IP68
Waterproof, for swimming
IP67
Waterproof, against rain
Expert Reviews
“They’re not cheap, but these are the most complete, high-tech waterproof headphones on the market. The sound is bone-conducted from beside your ear, preventing the risk of swimmer’s ear and other potential plugged-ear problems.”
“Perfect for swimmers in particular, the Aftershokz Xtranierz are an appealing set of bone-conducting headphones. We just wish they had Bluetooth connectivity for those out of the pool times.”
" Sound is incredible underwater thanks to a dedicated swimming EQ, with the bone-conduction pads sitting on your cheekbones and the ear-hook design resting comfortably under a hat or goggles. "
Customer Reviews
Based on 43 reviews
81%
(35)
2%
(1)
9%
(4)
2%
(1)
5%
(2)
j
disappointing product manufacturing, Audio not working after a few uses... can anyone recommend a company that has a good design relationship and accountable manufacturer?
L
Had two pairs of these now. Both broken and now out of warranty period. Not able to use Apple music to 'drag and drop', so conversion of songs (illegally) a necessity. Just wish they were more durable! AVOID...although such a shame as the comfort and look are great. Sound underwater is good.
W
I can't imagine swimming without these now. I use them five times a week and have had no problems. I usually listen to podcasts, the sound quality is great in and out of the water. I recommend them to everyone at the pool.
C
Seems to be a common issue for them! Mine stopped working after 5 months and only a few uses. Not fit for purpose. Shame, as when they did work they were great.
C
Tried loads of other brands but these are best by far for swimming I have found. Good battery life, feels like a quality product. Been using for about a year and so far so good. Really comfortable and don't move about when swimming (I only secure them with with goggles). Easy to operate when in the pool Highly recommended!
Manuals/Guides
①IPX8 : This rating applies to items that are protected against effects of continuous immersion in water.
Test conditions:
IP6X: This rating applies to items that are protected against ingress of dust. Ingress of dust is not totally prevented.
Test conditions:
OpenSwim（Formerly Xtrainerz） was placed in a sealed box with a certain density of dust particles about 75 μm in diameter, and pumped under a negative pressure of 2Kpa for 8 hours.
OpenSwim（Formerly Xtrainerz） functions normally after the test.
②This data was the result of a test that was conducted using OpenSwim（Formerly Xtrainerz）.
Test conditions: Copied the audio file (white noise with 44.1kHz sampling rate and 24bit bit depth in wav format) to the OpenSwim（Formerly Xtrainerz） headphones, adjusted to the standard EQ mode, and set the volume by pressing “Volume- “button four times from the maximum volume in a normal temperature environment.
Test content: OpenSwim（Formerly Xtrainerz） battery was fully discharged and then charged to 100%. The audio file was played until the headphones stopped playback. The duration time was counted as the continuous playback time of the headphones.
Test result: It showed that the OpenSwim（Formerly Xtrainerz） had a continuous playback time of up to 8 hours.
In actual use, battery life depends on device settings, environment, usage, and many other factors.
Test conditions:
1. Ensured that the appearance and function of the testing sample (OpenSwim（Formerly Xtrainerz）) was normal.
2. OpenSwim（Formerly Xtrainerz） was placed into the designated immersion tank.
3. Water was added to reach the standard 1m level line in the water tank, and a pressure of 0.1 atm was added.
4. Test time was 2 hours.
After testing, OpenSwim（Formerly Xtrainerz） functioned normally after being immersed in water of 2-meter depth for 2 hours.2. OpenSwim（Formerly Xtrainerz） was placed into the designated immersion tank.
3. Water was added to reach the standard 1m level line in the water tank, and a pressure of 0.1 atm was added.
4. Test time was 2 hours.
IP6X: This rating applies to items that are protected against ingress of dust. Ingress of dust is not totally prevented.
Test conditions:
OpenSwim（Formerly Xtrainerz） was placed in a sealed box with a certain density of dust particles about 75 μm in diameter, and pumped under a negative pressure of 2Kpa for 8 hours.
OpenSwim（Formerly Xtrainerz） functions normally after the test.
②This data was the result of a test that was conducted using OpenSwim（Formerly Xtrainerz）.
Test conditions: Copied the audio file (white noise with 44.1kHz sampling rate and 24bit bit depth in wav format) to the OpenSwim（Formerly Xtrainerz） headphones, adjusted to the standard EQ mode, and set the volume by pressing “Volume- “button four times from the maximum volume in a normal temperature environment.
Test content: OpenSwim（Formerly Xtrainerz） battery was fully discharged and then charged to 100%. The audio file was played until the headphones stopped playback. The duration time was counted as the continuous playback time of the headphones.
Test result: It showed that the OpenSwim（Formerly Xtrainerz） had a continuous playback time of up to 8 hours.
In actual use, battery life depends on device settings, environment, usage, and many other factors.