Open Box - M12 12-Volt Lithium-Ion XC Extended Capacity 4.0 Ah Battery Pack (2-Pack) Headsets Speak-to-Chat automatically stops your music

Speak-to-Chat automatically stops your music and lets in ambient sound – handy if you want to keep your headphones on or talk hands-free

and performance

you can optimize audio settings

delivering 525 in

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Open Box - M12 12-Volt Lithium-Ion XC Extended Capacity 4.0 Ah Battery Pack (2-Pack) Headsets Speak-to-Chat automatically stops your musicCompatible with all Milwaukee M12 cordless tools and instruments, the M12 REDLITHIUM XC extended capacity battery delivers 4 Ah (48 Watt hour) of run time even in sub zero temperatures. Each 12 Volt lithium ion battery is laden with new age REDLINK circuitry engineered to prevent overloads and protect against cell damaging discharge. Revolutionary cell monitoring and temperature regulation prolong this battery's operation and life expectancy, meaning