3M WorkTunes Electronic Hearing Protectors: Connect with Bluetooth Technology (Black)

3M WorkTunes Electronic Hearing Protectors are wireless headphones with Bluetooth® Technology that help you protect your hearing while enjoying your favorite music, podcast, audiobook or radio station. These protective headphones allow you to stream the entertainment of your choice from your smartphone, tablet or other mobile device, while Safe Volume Control Technology self-adjusts to ensure you're listening at a safe volume level throughout your workday. The Audio Assist function alerts you to the radio station you're on and helps you pre-set your favorite channels without having to take off your headphones. All the controls are on the headset so there's no need to be tethered by a cord. The plush ear cushions are designed with comfort in mind, and the flexible headband with ventilation improves comfort when worn with a hat. For optimal performance, stay within 25 feet of your Bluetooth® enabled device. Optional lithium rechargeable battery (sold separately) model number 3M Alpha1100. Requires 2 AA batteries (sold separately).