is it quite good for study/mediatation/sleeping when people are in conversation?? though i didn't like earplugs.

This is very good for blocking unwanted noise of high frequency. But i dont think it would be good for sleeping as it is quite big in size and a bit bulky. Go for slimmer ones like 3m x4a.

Can I use them for protection from water while taking shower

No. For that use silicon ear plug

3m Cash10a Peltor H10a Optime 105 Earmuff

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔕 Elevate your focus with the earmuffs that silence the noise and amplify your productivity.

TRUSTED 3 M QUALITY - Backed by a global leader in safety gear, combining innovation with reliability.
ALL DAY COMFORT FIT - Soft, adjustable headband and ear cushions designed for extended wear without discomfort.
ERGONOMIC TWIN CUP DESIGN - Patented double-shell cups ensure maximum sound isolation and durability.
SILENCE LIKE NEVER BEFORE - Block out up to 30dB of noise for ultimate focus and peace.
ENGINEERED FOR EXTREME NOISE - Recommended for the loudest environments, perfect for industrial or intense focus zones.

The 3M Peltor Optime 105 earmuffs deliver professional-grade hearing protection with a 30dB Noise Reduction Rating. Featuring a patented twin-cup design and ergonomic fit, they provide superior comfort and effective sound isolation, making them ideal for extremely loud environments or focused work sessions. Lightweight yet durable, these earmuffs are a must-have for anyone serious about noise control and concentration.

Specifications

ASIN	B00009LI4K
Age Range Description	adult
Apparel Closure Type	Headband
Best Sellers Rank	#28,768 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #34 in Safety Earmuffs
Brand Name	3M
Colour	Red and Black
Country Of Origin	India
Customer Reviews	4.2 out of 5 stars 5,051 Reviews
Fit Type	Over the Head
Fit to Size Sentiment	Neutral
Garment Size Country	India
Global Trade Identification Number	00093045081011, 00689358578371, 00799975249001, 10093045081018
Importer Contact Information	3M India Limited, 48-51 Electronics City Hosur Road Bengaluru - 560100; 080-22233704
Item Dimensions	20.3 x 15.2 x 10.2 Centimeters
Item Type Name	Earmuffs
Item Weight	358 g
Manufacturer	3M, 3M India Limited, 48-51 Electronics City Hosur Road Bengaluru - 560100; 080-22233704
Manufacturer Contact Information	3M India Limited, 48-51 Electronics City Hosur Road Bengaluru - 560100; 080-22233704
Manufacturer Part Number	093045081018
Material Type	Acrylonitrile Butadiene Styrene
Noise Control	Sound Isolation
Noise Reduction Rating (NRR)	30 Decibels
Packer Contact Information	3M India Limited, 48-51 Electronics City Hosur Road Bengaluru - 560100; 080-22233704
Pattern	Solid
Product Style	Modern
Single Number Rating (SNR)	30 Decibels
Size	Pack of 1
Style Number	H10A
UPC	796793727681 930450810112 078371905613 093045081011 799975249001 689358578371
Unit Count	1.00 Count
Warranty Description	no warranty available

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