3M WorkTunes Connect AM/FM Hearing Protector Bluetooth Technology

POWERED BY 2 AA BATTTERIES (Not Included) or Optional Li-Ion rechargeable battery (Alpha 1100 sold separately) All the controls are on the headset so there s no need to be tethered by a cord. If the NRR is used, 3M recommends that it be reduced by 50% or in accordance with applicable regulations INTEGRATED MICROPHONE lets you make and take phone calls without removing the ear protection EXCELLENT AM/FM RADIO performance with clear sound and bass boost option for great listening AUDIO ASSIST TECHNOLOGY provides operational and set-up guidance­ without having to take off the headset.syi