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

Sennheiser Cx 300s Ear Canal Headphones With Universal Smart Remote

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Description

🎧 Elevate your audio game with precision and style—don’t just listen, experience it!

UNIVERSAL COMPATIBILITY - Plug and play with any device featuring a 3.5mm jack—perfect for work, travel, or downtime.
IMMERSIVE NOISE ISOLATION - In-ear design naturally reduces background noise, letting you focus on your music or calls wherever you are.
EFFORTLESS CONTROL ON THE GO - Seamlessly play, pause, and take calls with the intuitive one-button inline smart remote—no phone fumbling required.
CRYSTAL CLEAR SOUND PRECISION - Experience every note with Sennheiser’s renowned German-engineered transducers delivering pristine audio clarity.
CUSTOM FIT FOR ALL DAY COMFORT - Choose from four ear tip sizes (XS, S, M, L) to ensure a snug, secure fit that blocks ambient noise and stays put.

The Sennheiser CX 300S In-Ear Headphones combine precision German engineering with a customizable fit and passive noise isolation to deliver clear, detailed sound. Featuring a convenient one-button smart remote for seamless control and compatibility with any 3.5mm audio device, these wired earphones are designed for professionals who demand quality and comfort on the move.

Specifications

ASIN	B07N1YLC23
Additional Features	Volume Control
Age Range Description	Adult
Antenna Location	Music, Travel, Calling
Audio Driver Type	Dynamic Driver
Battery Charge Time	5 32nds
Best Sellers Rank	#18,742 in Electronics ( See Top 100 in Electronics ) #988 in In-Ear Headphones
Bluetooth Version	5.0
Brand	Sennheiser
Built-In Media	[Cable, Ear Adapter Sets (XS/S/M/L)]
Cable Features	Tangle Free
Carrying Case Weight	0.1 Ounces
Color	Black
Compatible Devices	Devices with a 3.5 mm audio jack or appropriate adapter
Connectivity Technology	Wired
Control Method	Remote
Control Type	Call Control
Controller Type	Wired
Customer Package Type	Rigid or Cushioned
Customer Reviews	4.1 4.1 out of 5 stars (5,296)
EU Spare Part Availability Duration	2 Years
Earpiece Shape	Round
Enclosure Material	Silicone Plastic
External Testing Certification	Não aplicável
Frequency Range	20 Hz - 20,000 Hz
Frequency Response	20000 Hz
Global Trade Identification Number	00615104327801, 00707443717297, 00707443717327, 04044155245066
Headphone Folding Features	In Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	In Ear
Impedance	18 Ohms
Is Autographed	No
Item Type Name	Do you want quality headphones? We recommend the Sennheiser CX300S, a headset with 18 Ohms of impedance. Built-in microphone so you can answer calls with them.
Item Weight	0.38 Ounces
Manufacturer	Sennheiser
Model Name	CX 300S
Model Number	CX 300S Black
Noise Control	Active Noise Cancellation
Number of Items	1
Sensitivity	118 dB
Series Number	300
Specific Uses For Product	Travel
Style Name	Closed
Subject Character	no character
Theme	Video Game
UPC	615104327801 707443717297 707443717327
Unit Count	2 Count
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth

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12225 som

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In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

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Sennheiser CX 300S Ear-Canal Headphones with Universal Smart Remote - Black, 508593

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