Electronic Hearing Protection with Ambient Sound Amplification, Rechargeable. DIMENSIONS: Single ear bud (1″ L x 1″ W x 1″ D), charging case (3″ L x 1.5″ W x 1.5″ D) and 0.3 lbs total. COMFORTABLE: Featuring multiple size tips, you’ll find a custom fit for your ear to ensure proper noise cancellation and hearing protection. The Caldwell E-MAX Shadows Pro have a more compact design than the original Shadows. EASE OF USE: Easily connect to your mobile device with Bluetooth to seamlessly transition from listening to media and shooting. FEATURES: Adjust ambient noise levels and continually suppress sounds to a safe level without clipping. Controls on ear pieces allow for volume and mode adjustments while an optional lanyard ensures each earbud stays secure. CONVENIENT: The included case doubles as a charger and storage compartment with battery level indicators for each ear piece and the case itself. The zippered case (3.75″ L x 3.75″ W x 2.5 D) secures all components while traveling. Please contact Caldwell customer service for assistance. Stay connected to your surroundings while protecting your hearing. The Shadows Pro offer top of the line electronic hearing protection with Bluetooth connectivity. With adjustable ambient noise, volume and mode buttons, as well as a storage case with charge level indicators, the Shadows Pro will become part of your must-have range essentials. These electronic earplugs come with multiple ear tips, allowing the user to find a comfortable fit. Their low-profile design allows the user to get an up-close cheek weld without inhibiting their line of sight. An optional lanyard easily loops around each ear bud so they can drape behind your neck while not in use. All components are easily stored in the zippered travel case. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.