How long is the battery life when Using Bluetooth?

The battery life is very good on these headphones. I bought a huge packet of HEAVY DUTY no-name batteries (not alkaline) from a hardware store. It takes 2 batteries and I probably mow the pasture 3 or 4 times before I have to replace them and it takes me 6 hours to mow, so doing the math, you will get about 24 hours of music off a couple of cheap batteries before you'll need to replace. I would assume you will get much more if you use alkaline. An outstanding feature is that long before the batteries go dead, a woman's voice comes over the radio and says LOW BATTERY, so you get a heads up to change them out before they die. Another feature is that after many hours of use, the unit will check to see if you are still listening and will prompt you to hit the volume button in a few seconds or it will shut off on it's own to save the battery.

How long does the battery last on a full charge?

I can usually go about a week and a half on a full charge. I'm really good about waiting until the battery is really low and then doing a full charge before unplugging it. I listen about 7 hours out of a 9 hour day. It takes a long time to charge.

Is the rechargeable battery replaceable

3M ALPHA1100 Rechargeable Li-Ion Battery Pack is replaceable.

Does this have am/fm as well as bluetooth?

Thank you for asking. the 3M WorkTunes Connect Hearing Protector with Bluetooth Technology, does not have am/fm capability. If you are looking for both Bluetooth and am/fm radio capability, you will want the 3M Worktunes Wireless Hearing Protection with Bluetooth Technology and AM/FM Radio, model number 90542-3DC.

3m Worktunes Connect | Desertcart Macau

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MOP$1452

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Sold byAmazon MacauDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔊 Work hard, listen smart — protect your ears and your vibe with 3M WorkTunes!

HEAR MORE HARM LESS - Industry-leading 26 dB noise reduction shields your ears without sacrificing sound clarity.
SAFE SOUND SMART CONTROL - Automatic Safe Volume Limiter protects your hearing while delivering premium audio.
SEAMLESS BLUETOOTH FREEDOM - Wireless connectivity that stays rock-solid, so you never miss a beat on the job.
BUILT TO BRAVE THE ELEMENTS - Water and sweat resistant design means no downtime, rain or shine.
ENDURANCE FOR THE LONG HAUL - Unmatched 40+ hours of rechargeable battery life keeps your playlist going through marathon workdays.

3M WorkTunes combines professional-grade hearing protection with premium Bluetooth audio, featuring a 26 dB Noise Reduction Rating, over 40 hours of battery life, and a water-resistant build. Designed for demanding work environments, it delivers clear sound and reliable wireless connectivity while safeguarding your hearing with an automatic volume limiter.

Specifications

ASIN	B0723CYHPZ
ASIN	B0F899V25V
Age Range Description	Adult
Apparel Closure Type	Fold
Batteries	2 Nonstandard Battery batteries required. (included)
Best Sellers Rank	#47,018 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #75 in Safety Earmuffs
Brand Name	3M
Color	Black, Yellow
Customer Reviews	4.6 4.6 out of 5 stars (37,081)
Date First Available	May 11, 2025
Fit Type	Over the Head
Fit to Size Sentiment	Fits most adult head sizes well
Global Trade Identification Number	00076308913267
Import Designation	Imported
Included Components	3M WorkTunes Connect Hearing Protector with Bluetooth Technology, 1/Pack
Item Dimensions	5.83 x 3.9 x 7.06 inches
Item Type Name	Worktunes Connect AM/FM
Item Weight	12.32 ounces
Manufacturer	3M
Manufacturer	3M
Manufacturer Part Number	90543H1-DC-PS
Manufacturer Warranty Description	Warranty
Material Type	Plastic
Noise Control	Sound Isolation
Noise Reduction Rating	24 db
Number of Items	1
Pattern	Protector
Product Style	Worktunes Connect Bluetooth
Single Number Rating	24 db
Size	One Size
Style Number	90543H1-DC-PS
UPC	076308913267
Unit Count	1 Count

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MOP$1452

Duties & taxes included

In stock

Sold byAmazon MacauDelivered 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 Macau.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

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Great experience from order to delivery. Highly recommended!

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3M Worktunes Connect

Description

Specifications

Common Questions