THREE OPERATIONAL MODES: Features Isolation, Awareness, and 5X Amplification modes; customize your listening experience whether you’re looking to block out noise, stay alert to your surroundings, or enhance distant sounds. BLUETOOTH CONNECTIVITY: Includes a Bluetooth 5.0 lanyard for wireless audio streaming and calls, functioning with or without the lanyard; enjoy flexibility and convenience in any environment. LONG-LASTING AND COMFORTABLE: Comes with an 80+ hours battery life on earbuds, 10 hours on the Bluetooth lanyard, and includes multiple tip sizes for a secure, comfortable fit during extended wear. Enjoy seamless connectivity for music and calls on the go, all while protecting your hearing from loud noises and environments. Go wireless for freedom of movement or plug the bluetooth lanyard for extra convenience and connectivity. 20.5 x 1 x 0.75 inches. Hunting, Tactical & Military. Item Package Dimensions L x W x H. 8.46 x 4.69 x 1.85 inches. Product Dimensions: 4.69 inches x 8.46 inches x 1.85 inches. Weight: 0.16 kg. We reserve the right to cancel any order for any reason at any time. We are not responsible for undeliverable addresses. Your satisfaction is guaranteed! All of our items, unless otherwise stated, will only run on 120 volts. Please check to make sure your country complies with these specifications. We will work with you to resolve any problem you may have.