Are these just eat muffs or actual Noise cancellation? What batteries do they take? What frequency range do they cancel?

Dear Valued Customer, They are noise cancelling ear muffs with adjustable headbands, Designed for a tight fit to keep your ears and hearing safe and without strain. If you experience other issues, please contact us by clicking the link below. https://www.amazon.com/gp/help/contact-seller/contact-seller.html?marketplaceID=ATVPDKIKX0DER&sellerID=A3US6EPPMUS293&ref_=v_sp_contact_seller Onhear Team

How is this for blocking out conversations in an office?

I've never used them in that setting but it would probably reduce the noise but not completely get rid of it. I put them on and turned the TV up real loud and it reduced the noise but I still heard the tv.

what is real weight? top of page says 7.65oz but grid says 8.6?

I don't know I know is tight,I take it off every I can at work.

What is the tested NRR level?

If you read the product information section of this item it gives the answer you seek. Knowledge about NRR and SNR ratings: SNR rating = 36dB SNR (single number rating) is the system for the European Union NRR rating = 29dB NRR (noise reduction rating) is the system for USA/ANSI standards NRR 29dB/ SNR 36dB Hearing Protection Our hearing protection earmuffs are made with noise-dampening sponge material, offering a 29dB Noise Reduction Rating to protect your ears from noise damages.

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Ear Protection Headphones for Adults Kids, NoiseCancelling Headphones for Autism, Adjustable NoiseCancelling Ear Muffs, Earmuffs Hearing Protection, Effective Noise-Reducing Ear Muffs

Ear Protection Headphones for Adults Kids, NoiseCancelling Headphones for Autism, Adjustable NoiseCancelling Ear Muffs, Earmuffs Hearing Protection, Effective Noise-Reducing Ear Muffs

Product ID: 435444299

🎧7.65 oz Ultra-Lightweight

🔇29 dB Noise Reduction

🔧Adjustable Telescopic Headband

29507CFA

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Description

🔕 Silence the noise, amplify your focus.

ALL DAY COMFORT FIT - Soft acoustic foam cushions wrapped in skin-friendly leather ensure pain-free wear, even during marathon sessions.
VERSATILE USE CASES - Perfect for shooting ranges, concerts, construction sites, autism sensory needs, and noisy events—never miss a moment or peace.
DURABLE FLEXIBLE BUILD - Rugged polymer headband bends without breaking, engineered for long-lasting resilience in active lifestyles.
CUSTOMIZABLE FIT FOR EVERY HEAD - Flexible, adjustable steel headband adapts seamlessly to all adult and teen head sizes, eliminating pressure points.
INDUSTRY LEADING NOISE BLOCKADE - Certified CE & ANSI protection reduces noise by up to 29 dB, safeguarding your hearing in any high-decibel environment.

Onhear Noise-Cancelling Ear Protection Headphones combine certified 29 dB noise reduction with ultra-lightweight design and adjustable fit, delivering premium hearing protection and all-day comfort for adults and teens in any loud environment.

Specifications

ASIN	B09XF2PJRL
Age Range Description	Adults and Teenagers
Best Sellers Rank	#56,052 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #97 in Safety Earmuffs
Brand Name	Onhear
Collection Name	Health
Color	Dark Black
Customer Reviews	4.4 4.4 out of 5 stars (1,391)
Fit Type	Over the Head
Fit to Size Sentiment	Positive
Garment Size Country	United States
Import Designation	Imported
Item Dimensions	3.03 x 6.1 x 7.09 inches
Item Weight	7.65 ounces
Material Type	Foam, Leather
Noise Control	Sound Isolation
Noise Reduction Rating	29 db
Number of Items	1
Number of Packs	1
Pattern	Solid
Product Style	Modern
Single Number Rating	36 db
Style Number	SA-8-11
UPC	617201106327
Unit Count	1 Pack

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29507CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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