Does it have a microphone and how good is it?

Works well on my phone and PC for taking calls at least.

One customer claims it has volume control. Unless I'm missing something, it does not have remote volume control.

It does not have volume control per se, but it can be configured. There are +/- buttons on the part of the cord where the mike is. The default on an iphone is those buttons skip the song forward and back. In settings/control center, you can redefine these buttons to use as volume control. I suspect that android operating systems have something similar.

Do these have same length left and right cables

Yes. The cables are the same size.

Can I get an answer on exactly how long the cord is?

1.2 meters that's from sennheisers website

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Description

🎧 Elevate your everyday sound — don’t just listen, experience it!

UNIVERSAL COMPATIBILITY - Works flawlessly with any device featuring a 3.5mm jack, making it your versatile audio companion.
LIGHTWEIGHT TRAVEL READY - At just 0.38 ounces with a 1.2m cable, these earphones are designed for all-day comfort and easy portability.
PRECISION ENGINEERED SOUND - Experience crystal-clear audio with Sennheiser’s renowned transducer technology delivering rich bass and detailed playback.
EFFORTLESS CONTROL ON THE GO - One-button inline remote lets you play, pause, and take calls seamlessly without reaching for your device.
TAILORED FIT FOR ULTIMATE COMFORT - Five ear tip sizes (XS to L) ensure a perfect, secure fit that blocks ambient noise and enhances focus.

The Sennheiser CX 300S Black wired earphones combine German precision engineering with a customizable fit, delivering superior sound clarity and enhanced bass. Featuring a one-button smart remote for effortless control and multiple ear tip sizes for personalized comfort, these lightweight in-ear headphones are perfect for music lovers and professionals on the move.

Specifications

Noise Control	Sound Isolation
Headphones Jack	3.5 mm Jack
Model Name	CX 300S
Connectivity Technology	Wired
Included Components	[Cable, Ear Adapter Set (XS/S/M/L)]
Age Range (Description)	Adult
Material	Silicone Plastic
Specific Uses For Product	Personal
Recommended Uses For Product	Music, Travel, Calling
Compatible Devices	Device with 3.5mm audio jack or compatible adapter
Control Type	Remote Control
Cable Feature	Detachable
Item Weight	0.38 Ounces
Water Resistance Level	Not Water Resistant
Customer Package Type	Standard Packaging
Unit Count	1.0 個
Style	In Earphones
Control Method	Remote
Number of Items	1
Audio Sensitivity	118 Decibels
Batteries Required	No
Cable Length	1.2 メートル
Item Shape	Earphone
Manufacturer	Sennheiser
Item Model Number	CX 300S Black
Size	One Size
Model Year	2021

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cx 300s black

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