Caldwell E-Max Power Cords Hearing Protection Ear Plugs 22 dB In-Ear Bluetooth Black. Complete with high-quality stereo sound and a corded design that keeps them together these plugs are rated with a 25dB noise reduction rating.Features:BLUETOOTH COMPATIBLE WITH MOBILE DEVICES 25DB NRR - HIGH QUALITY STEREO SOUND CORDED DESIGN KEEPS EARPLUGS TOGETHER ILLUMINATED ON/OFF INDICATOR - AUTO-SHUTOFF (4 HOURS WITHOUT TOUCHING CONTROLS) MULTIPLE SIZE TIPS FOR CUSTOM FIT Specifications for Caldwell E-Max Power Cords Hearing Protection Ear Plugs: Manufacturer: Caldwell NRR: 22 dB Quantity: 1 Size: One Size Color: Black Included Accessories: Standard Battery Life: 6 hours Features of Caldwell E-Max Power Cords Hearing Protection Ear Plugs: Bluetooth Connectivity: Pair your Caldwell E-Max Power Cords to enjoy music and protect your hearing; Volume Control: Adjust audio output with convenient volume controls; Seamless Transitions: Tune in to your favorite music or podcast while on the range; Illuminated ON/OFF Indicator - Auto-Shutoff (4 hours without touching controls); Micro USB rechargeable; Adjustable ambient sound amplification; Great for other noise reduction such as lawnmowers Package Contents: Caldwell E-Max Power Cords Hearing Protection Ear Plugs Multiple Ear Tips Caldwell 1121933: E-Max Power Cords Hearing Protection Ear Plugs 22 dB In-Ear Bluetooth Black