X Read this instruction manual carefully and completely before using the
product.
X Do not use an obviously defective product.X Only use the product in environments where Bluetooth® wireless
transmission is permitted.
Preventing damage to health and accidents
X Protect your hearing from high volume levels. Permanent
hearing damage may occur when headphones are used at high
volume levels for long periods of time. Sennheiser headphones sound
exceptionally good at low and medium volume levels.
X Do not insert the ear canal phones too deep into your ears and never
insert them without ear adapters. Always extract the ear canal phones
from your ears very slowly and carefully.
X The product generates stronger permanent magnetic fields
that could cause interference to cardiac pacemakers,
implanted defibrillators (ICDs) and other implants. Always
maintain a distance of at least 3.94” (10 cm) between the product
component containing the magnet and the cardiac pacemaker,
implanted defibrillator or other implant.
X Keep the product, accessories and packaging parts out of reach of
children and pets to prevent accidents and choking hazards.
X Do not use the product in situations which require special attention
(e.g. in traffic or when performing skilled jobs).
Preventing damage to the product and malfunctions
X Always keep the product dry and do not expose it to extreme
temperatures to avoid corrosion or deformation.
X Only use attachments/accessories/spare parts supplied or
recommended by Sennheiser.
X Use the product with care and store it in a clean, dust-free environment.
2 | CX SPORT
Important safety instructions
Intended use/Liability
These in-ear wireless headphones are designed for use with mobile
devices (e.g. mobile music players, mobile phones, tablets) that support
wireless communication via Bluetooth. Compatible Bluetooth devices
include those that support the following profiles: Hands Free Profile (HFP),
Advanced Audio Distribution Profile (A2DP), and Audio/Video Remote
Control Profile (AVRCP).
It is considered improper use when this product is used for any application
not named in the associated instruction manuals and product guides.
Sennheiser does not accept liability for damage arising from abuse or
misuse of this product and its attachments/accessories.
Before putting the product into operation please observe the respective
country-specific regulations!
Safety instructions for the Lithium-Polymer battery pack
WARNING
In extreme cases, abuse or misuse of the Lithium-Polymer battery pack
can lead to:
• explosion
• fire development
Dispose of products with built-in rechargeable batteries at
special collection points or return them to your specialist
dealer.
Only use rechargeable batteries and chargers recommended
by Sennheiser.
Charge products with built-in rechargeable batteries at
ambient temperatures between 10 and 40°C/50 and 104°F.
Switch battery-powered products off after use.
When not using the product for extended periods of time,
charge its built-in rechargeable batteries regularly (about
every 3 months).
Do not heat above 70°C/158°F, e.g. do not expose to sunlight
or throw into fire.
Do not charge a product with built-in rechargeable batteries if
the product is obviously defective.
• heat generation
• smoke or gas development
CX SPORT | 3
The CX SPORT In-Ear Wireless headphones
The CX SPORT In-Ear Wireless
headphones
The CX SPORT In-Ear Wireless headphones deliver detailed sound and
enhanced bass with Bluetooth 4.2 and Qualcomm® aptX™ for true Hi-Fi
sound.
The CX SPORT features reliable ear fins and a cable organizer to provide
extra support and convenience for people with very active lifestyle.
Features
• Sweat and splash water resistance
• High quality sports in-ear wireless headphones tuned for clarity and
superior bass
• Ergonomic and robust sport in-ear wireless headphones for active
lifestyle
• Supports Qualcomm® aptX™ for true Hi-Fi sound
• 6 hour battery life with 1.5 hour charging
4 | CX SPORT
The CX SPORT In-Ear Wireless headphones
Bluetooth
The CX SPORT In-Ear Wireless headphones comply with the Bluetooth
4.2 standard and are compatible with all Bluetooth 1.1, 1.2, 2.0, 2.1, 3.0,
4.0 and 4.1 devices with the following profiles: Hands Free Profile (HFP),
Advanced Audio Distribution Profile (A2DP), and Audio/Video Remote
Control Profile (AVRCP).
aptX
With aptXTM audio coding, you can be assured of crisp, pure and full stereo
sound. It allows you to not only hear, but experience and feel the audio
as it was intended. Utilizing aptXTM, Bluetooth technology can now offer
wireless audio quality that is indistinguishable from the highest quality
wired connection.
aptX
Qualcomm® aptX™ LL (Low Latency) audio ensures your Bluetooth®
wireless enabled device can deliver sound in sync with visual media. It
reduces delay and improves end-to-end speed of the audio transmission,
resulting in a high quality, synchronized user experience. With aptX Low
Latency you can enjoy the freedom of wireless for applications such as
gaming and watching videos.
TM
TM
LL
CX SPORT | 5
Package includes
Package includes
Headphones
Storage pouch
LR
LR
LR
Ear fins
SLM
XS
SLM
Ear adapters
USB cable for charging
Cable Clip
Quick
Guide
Safety
Guide
Quick guide
Safety guide
A list of accessories can be found at www.sennheiser.com. For
information on suppliers, contact your local Sennheiser partner:
www.sennheiser.com > “Sales Partner“.
6 | CX SPORT
Product overview
Product overview
Overview of the headphones
@
1
3
4
5
6
7
2
8
9
1 Ear adapters6 Volume/track - button
2 Bluetooth antenna (not visible)7 LED
3 Cable organizer8 Micro-USB input
4 Volume/track + button9 Micro-USB cover
5 Multifunction button0 Ear fins
CX SPORT | 7
Product overview
Overview of pictograms
Pictograms for pressing a button
PictogramMeaning
1x
2x
2s
Press and immediately release the button
Press the button twice
Press the button and hold for 2 seconds
8 | CX SPORT
Product overview
Pictograms for the LED
PictogramMeaning
The LED lights up
The intervals signify flashing
The LED lights up/flashes continuously
3s
The time the LED lights up before blinking
Examples of pictograms that may be used in this manual:
PictogramMeaning
The LED flashes continuously
3s
2s2s
The LED lights up for 3 seconds, then off, and repeat
The LED lights up, then off for 2 seconds, and repeat
The LED lights up continuously
1s
The LED continuously flashes blue and red per
second
The pictogram “i”
Notes marked with the pictogram “i” provide useful information on
the use of the headphones.
CX SPORT | 9
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