3M WorkTunes Connect + AM/FM Hearing Protectors with Bluetooth Technology, 24 dB, Gray, Over the Head

Noise Reduction Rating (Nrr) 24 Db. Standard 3.5Mm Audio Input Jack Lets You Connect Your Devices. Bluetooth Wireless Technology Lets You Seamlessly Stream Entertainment From Your Mobile Phone And Any Other Bluetooth Enabled Device. Integrated Microphone Lets You Make And Take Phone Calls Without Removing The Ear Protection. Audio Assist Technology Helps You Program Up To 50 Am/Fm Radio Stations And Lets You Know When Your Battery Is Running Low

Attributes:

Batt. Size = AA, Color = Gray, Mounting = Over the Head, Noise Reduction Rate (NRR) = 24 dB, Run Time [Max] = 8 hrs, Type = Hearing Protection. (3 EACH = 1 CASE)