Caldwell 1102673 Electronic Earplugs (In-ear) Bluetooth New 2020. These minimalist earplugs by Caldwell protect your hearing while allowing you to stay connected to your surroundings. Listen to music or other media through Bluetooth connectivity and then seamlessly transition to hunting or shooting. Dual microphones in each ear provide directional clarity, allowing users to identify the source of sounds. COMFORTABLE: With 6 sizes of comfortable foam tips, youll find a custom fit for your ear to ensure proper noise cancellation and hearing protection. EASE OF USE: Caldwell Shadows continuously suppress sound to a safe level without clipping. Easily connect to your mobile device with Bluetooth so you can seamlessly transition between listening to media and shooting. FEATURES: Your E-MAX Shadows automatically shut off after 4 hours of inactivity, which is displayed on the illuminated on/off indicator. CONVENIENT: The included case duals as a charger and storage compartment.