Walker's Bluetooth Passive Muffs offer passive hearing protection with the ability to connect to your mobile device via bluetooth. Unlike true electronic hearing protection, these will not amplify the surrounding environment. The adjustable boom mic provides clear, interference free digital sound. To save battery life, the muffs will auto shut off at a user adjustable time.

Specifications and Features:
Passive Protection
Bluetooth Connectivity to mobile devices
Clear digital sound
Auto shut off 2/4/6 hours
New ergonomic head band design
Powered by2 (AAA) batteries - included