Donât compromise on sound
Superior audio
Wherever you are, whatever you do; enjoy your favorite tracks to the max with the bespoke TrueResponse Transducer for crystal-clear sound.
Intense groove
With the Bass Boost added and the Built-In Equalizer activated via the Smart Control App, you can have your sound your way.
Skip the noise
You can forget about your surroundings and get lost in the music or focus on your call thanks to the Passive Noise Cancellation.
Donât compromise on comfort
Easy to wear
The eye-catching ergonomic design assures superb wearing comfort. And with ear adapters in 4 sizes, itâs easy to achieve a perfectly secure fit for any activity.
At your fingertips
Customizable touch control enables easy control of audio, phone calls and fast access to Siri and Google Assistant.
Even in the rain
Go outside at any time to have an outstanding audio experience, even when itâs wet; you can rely on their IPX4 splash resistance.
Passive Noise Cancellation
Customizable Touch Controls
IPX4
TrueResponse Transducer
27 Hour Battery Life
AVAILABILITY
Sennheiser Smart Control is a free app and compatible with most iOS and Android systems.
This app is available in 8 languages including German, English, French, Spanish, Russian, Korean, Japanese and Mandarin.
Android
Version 8.0 and upGet it on Google PlayAndroid, Google Play and the Google Play logo are trademarks of Google LLC.
iOS
Version 13.0 and upDownload on the App StoreApple, the Apple logo and iPhone are trademarks of Apple Inc., registered in the U.S. and other countries and regions. App Store is a service mark of Apple Inc.
Technical Data
Dimensions
Earbuds and charging case: 59 x 33.8 x 42.3 mm (2.3 x 1.3 x 1.6 in)
Weight
49g (both earbuds and charging case) 6g (single earbud) 37g (charging case)
Power supply
5 V? 600 mA max
Speaker type
TrueResponse Transducer Sennheiser 7mm dynamic driver
USB Standard
USB-C
Frequency response (Microphone)
100 Hz to 10 kHz
Frequency response (Headphones)
5 hz – 21,000 Hz
Microphone
2 mic beamforming arrays (4 mics in total)
Supported Profiles
A2DP, AVRCP, HFP
Ear coupling
In-ear, closed acoustics
Charging time
5 h for full charge / 15 min for 1 h playtime
Battery Specification
Built-in Lithium-Ion rechargeable batteries L/R earbud: ~60 mAh; charging case: ~400 mAh
Bluetooth
Bluetooth 5.2 compatible, class 1, BLE
Codecs
SBC, AAC, aptX
Equalizer
EQ pre-set via Smart Control App
Bass Boost
Via Smart Control App
Battery time
Up to 9 hrs music playtime with earbuds Up to 27 hrs music playtime with charging case
Noise cancellation
Passive Noise Cancellation
App support
Sennheiser Smart Control App for iOS and Android
What’s in the box
1 x CX True Wireless Earbuds(Black
1 x Silicone ear adapter sets (XS, S, M, L)
1 x Charging Case
1 x USB-C Cable
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