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3M WorkTunes User Manual

3M WorkTunes
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3M
WorkTunes
Hearing Protector User Guide 7
Frequently Asked Questions
1. What type of batteries can I use in my new
Hearing Protector?
The new WorkTunes Hearing Protector will
work with the following 1.5 Volt AA
batteries: Alkaline, rechargeable alkaline,
rechargeable Nickle Cadium (Ni-Cd), and
1.5 Volt Lithium Ion (Li Lon).
2. I’m having a hard time getting the batteries
into my Hearing Protector. Is there an
easier way to inserting batteries?
Yes. Hold the WorkTunes Hearing
Protector cup vertically (the batteries
should be pointing in the up/down
direction).
Getting Started
Battery
cover
Important!
Incorrectly inserted batteries can
damage the electronics – 3.7 Volt
Lithium Ion batteries could damage
the WorkTunes electronics and
should not be used
Never replace batteries with the
power on
Make sure the batteries are correctly
installed before switching the unit on

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3M WorkTunes Specifications

General IconGeneral
Noise Reduction Rating24 dB
BluetoothYes
AM/FM RadioYes
Battery LifeUp to 30 hours
Headphone TypeOver-ear
ConnectivityBluetooth, 3.5mm Audio Input
ColorBlack/Yellow
Battery TypeLithium Ion
ChargingUSB
Radio Frequency RangeAM: 530 - 1710 kHz, FM: 87.5 - 108 MHz
Cushion MaterialFoam
Weight12.8 oz (363 g)

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