ION Audio Tough Sounds Hearing Protection Headphones with Bluetooth and Radio 25-decibel noise-reduction rating reduces eardrums' exposure to loud sounds Stream music wirelessly from your Bluetooth-enabled smartphone, tablet, and more Answer calls as you work with multifunction button and built-in microphone AM/FM radio with 20 presets makes it easy to tune in to your favorite station and follow live sports Get the job done with 20+ hours of rechargeable battery power