Does this one have the asymmetrical length cables so that you can wrap the right cable around the back of your neck?

No, it is not asymmetrical. It has symmetrical cable for the neck part

Is it normal for these to make a loud "boom" if anything lightly touches a headphone wire above or even slightly below the microphone?

Yes, this model suffers from severe "Stethoscope Effect" - very much noticeable whenever connected to your device and you're not playing any music - slightly noticeable while playing music.However the noise is very disturbing (even with your music on) when the cables move near your face or neck.The earphone comes with an adjustable 'cheap' tie that holds the right and left cables together but remember that you cannot move it beyond the microphone to make a tight fit of the cables under your chin to prevent dangling.

Sennheiser has not recommended it for an iPhone. Does it work with iPhone?

Works well with iPhone, answering calls and play/pause/next/previous song playing.

Sennheiser Cx 275 S Universal Mobile Headset

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

🎶 Elevate Your Sound Experience!

COMFORT FIT - Choose from multiple ear adaptor sizes for a personalized, snug fit.
PEACE OF MIND - Enjoy a 2-year global warranty for worry-free listening.
SMART CONTROL - Easily manage calls and music with the integrated mic and remote.
SIGNATURE SOUND QUALITY - Experience rich, bass-driven audio with Sennheiser's renowned dynamic drivers.
UNMATCHED COMPATIBILITY - Seamlessly connects with any smartphone, from Android to iOS.

The Sennheiser CX 275 S Universal Mobile Headset offers universal compatibility with virtually any smartphone, delivering exceptional sound quality through high-powered dynamic drivers. With customizable ear adaptors for comfort and an integrated mic for easy call management, this headset is designed for the modern professional on the go. Plus, it comes with a 2-year global warranty for added assurance.

Specifications

ASIN	B008V6T1IW
Additional Features	android-phone-control, ios-phone-control, universal-phone-control
Age Range Description	Adult
Antenna Location	Calling
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#1,129 in Telephone Headsets
Brand Name	Sennheiser
Built-In Media	Cable
Cable Features	Retractable
Carrying Case Color	Black
Carrying Case Material	Plastic
Color	Black
Compatible Devices	smartphones with a 3.5 mm headphone jack, including Android, Windows Mobile, RIM (Blackberry), and iOS devices
Connectivity Technology	Wired
Control Method	Remote
Control Type	remote
Controller Type	remote
Customer Package Type	Standard Packaging
Customer Reviews	4.1 4.1 out of 5 stars (27,794)
EU Spare Part Availability Duration	2 years
Earpiece Shape	Round
Enclosure Material	Plastic
Frequency Range	100 Hz - 10 kHz
Frequency Response	18 hertz
Global Trade Identification Number	00707223269978, 00777004583098
Headphone Folding Features	In Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	In Ear
Impedance	16 ohm
Item Weight	14.2 g
Manufacturer	Sennheiser
Model Name	CX 275 S
Model Number	CX 275s
Noise Control	Passive Noise Cancellation
Number of Items	1
Series Number	275
Specific Uses For Product	Calling
Style Name	In-Ear" or "Minimalist
Subject Character	no character
Theme	Cartoon
UPC	043072592868 707223269978 777004583098 777050001638 615104235397
Unit Count	1 Count
Warranty Description	2 years
Water Resistance Level	Not Water Resistant
Wireless Technology	3.5 mm

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Sennheiser CX 275 S Universal Mobile Headset

Details

Details

Description

Specifications

Common Questions